| Browse our daily deals for even more savings! Account & Lists Account Returns & Orders. It just makes sense, if failure is not an option, to run a forged over a cast. Some applications: Nitrous, supercharged, turbo, and cold water marine engines may need more than the recommended clearance. The high quality is evident once you hold one in … 300hrs? Buy Engine Pistons, Rods & Parts for 2012 Opel Corsa and get the best deals at the lowest prices on eBay! I think 4stroker was being a little facetious but he's right. Great Savings & Free Delivery / Collection on many items Why is that so hard for you to admit? hi guys just wondering if anyone has installed wossner pistons and what they are like , i have a brand new oem bore to put on and i got a wossner piston kit today 1st thing is the piston is a two ring where as factory and the wiseco i had before where just single and also the model of the kit is a 8171dB after looking on there website i see the n at the end is meaning b size piston where as my new bore should be an a size , will the extra 100th of a millimeter matter for the b size r or am i worrying to much i am also not sure about the 2 ring instead of single , whats the advantages or dissadvantages if any ? Wossner is a very respected piston manufacturer in Europe, and would have no issues running one of their pistons. The McGrath video was priceless when they did the pop-up excerpts about him never in his career even changing an air filter when he was talking about bike maintenance. Get the best deal for Pistons, Rings, Rods & Parts for Audi TT from the largest online selection at eBay.com. It's true. Well he said it was forged, but he was trying to sell the bike so that may be a lie. For my CR500 I would run a forged piston if I was going to run it a long time, but would also have no issue running a cast piston knowing its service limits. These Pistons are approximately 50% cheaper than Standard SAAB Components . Here comes another brilliant reply from 2strokenumbnut! The initial 3.8 for DP grand am and ALMS apps were produced by Wossner. Wössner GmbH. On the interwebs, delusional guys like you can claim to be "A" riders and some people might believe you. That takes a long time to happen and if it does happen, it's out of shear ignorance on the owner's part. His dad lived next door to me and did all his work. Lets agree to disagree. In Stock. | … Prime Cart. 714-369-8547 or 714-369-8879 sales@wossnerpistons.com Its good stuff so run it with confidence. #8. Please be patient while we are still making updates. Piston to Bore Clearance: Wossner pistons already have the recommended clearance built in. Your ridiculously stupid comment that 99.9% of riders dont need a forged piston.. Forged pistons are just more durable running in sloppy cylinders. Wossner Pistons Are An Ideal Replacement For O/E Cast Pistons, Which In Our Experience Can Fail Without Warning… Especially If The Engine Has Experienced Any Detonation As A Result Of D.I Cassette, Catalyst Problems Or Over – Boosting. Shop from the world's largest selection and best deals for Wossner Engine Pistons, Rods & Parts. Piston to Valve Clearance: With the many cam profiles, gasket thicknesses, and deck clearances available it is important to make sure there is adequate clearance between the piston and the valve. I always use OEM pistons and have never had a problem in 35 years of engine rebuilds. I have never used Wossner but I know engine builders who prefer them over Wiseco. They are marketed in the US under the Athena brand name. We believe these are truly the best-forged piston on the market, and so will you! It could be a Vertex piston, which is coated and cast. jesus. It is advisable to avoid high loads or high RPM during engine warm up. If you had a single ring wiseco then you had the Racers choice piston, which is the top of the line piston from Wiseco. This can cause damage to the pistons and/or cylinder. | Free shipping on many items! The only reason I think its a wossner is that I can tell it has that black coating on the side when looking at it through the exhaust port. He never worked on his own bikes. On pistons with centered wrist pins, the smaller valve pocket(s) to the exhaust side of the engine except for some five valve engines. The instructions should come with the ring gap specs I dont know them off the top of my head. Skip to main content.ca Hello, Sign in. Lubricate wrist pins with oil or assembly lube before installation. Welcome to the NEW WossnerPistons.com. Skirt diameter is smaller than the recommended bore size (see sizing on box). Piston to Head Clearance (Squish): Wossner recommends a minimum of 0.7-1.0mm (.027"-.040") for naturally aspirated engines and 1.0-1.5mm (.040"-.060") for Turbo, Supercharged, or Nitrous applications. Avoid using Synthetic oil during engine break-in as this may keep the rings from properly seating. 714-369-8547 or 714-369-8879 sales@wossnerpistons.com 15632 Graham St. Huntington Beach CA 92649. When have I said anything to the contrary, numbnut? They work or they don't for the most part and both wiseco and wossner pistons work! I think 4stroker was being a little facetious but he's right. Wossner Pistons USA. 714-369-8547 or 714-369-8879 sales@wossnerpistons.com If that's directed at me, I never said National #57 Roy Schellenberger worked on his bikes. Cleaning: Pistons should be cleaned with warm soapy water and dried before installation. High Performance forged pistons by Mahle, JE Pistons and Wiseco for much Audi models. Wrist Pin Clips: Most of Wossner pistons use a Round Wire type lock. ALL my pistons are designed from a blank sheet of paper and made with custom components (No, they are not 100% Wossner). PLEASE READ CAREFULLY BEFORE INSTALLATION. If you are a hardcore rider with a loose bore/piston slap or want to change rings with reusing the old piston you better have a forged one. skags, September 17, 2010 in Honda 2 Stroke. You can post your opinion and call me names and I can post my opinion. | Browse our daily deals for even more savings! You can go run your cast and us people who like to not have pistons break inside our engines run forged. If its too close take a file to it and get it in spec. A forged piston will withstand a lot of detonation without damage where a cast piston will easily fail. With Wisecos we like to drill a line of holes at the exhaust bridge. 370-8052-Wossner Piston Kit-Gas Gas MC/EC250 '97-'19. Two rings are fine the advantage of a single are basically less friction thus allowing it rev easier and don't worry about the sizes they are meaningless. Skirt diameter is smaller than the recommended bore size (see sizing on box). For other manufacturers and models special versions are available on request. It wiped out his cylinder in the process. Oh and usually its a good idea to relieve the exhaust bridge slightly. Bottom line is, in racing everyone knows a forged piston is the best most durable piston. I believe you are talking about Wossner (sorry I can't do the oumlot) they produce good pistons and have a lot of 993 and Gt3r slugs even up to 104mm. Cylinder should be free of any taper. Wossner Pistons USA. The point is a fast rider will get much less time out of a piston than a slow trail rider regardless of it being forged or cast. Pistons are one of those things where there's not a good, better, and best. 40 hr for a pro 300 hr for a guy chasseing around his kid on a crf50. get the right tools to take measurements and a workshop manual or send it to someone else who knows what they are doing. We're really going in circles here Cam. Copyright© ThumperTalk, Inc. - All rights reserved.ThumperTalk® is a registered trademark. The pistons will fit to Audi 1.8T, Audi 2.0 TFSI, RS2 5 cylinder, Audi 2.7T Biturbo and Audi R8 V10 engines . Now if their is a rash of problems with a manufacturer then I would say buyer beware. Now lets talk about your 2 stroke dirt bike. All Wossner Forged Con Rods are made in Germany. Are you going to mention that? Wossner recommends a minimum of 1.5mm (.060") Intake and 2.0mm (.080") Exhaust. Adding additional clearance than recommended may create extra engine noise (piston slap) upon start up and cold running. By A quality cast piston in a good bore, good oil/32:1 and clean air will last a set of rings. I personally like Vertex cast pistons, since you can typically get them in A, B, C, D sizing. Wossner Pistons USA. Just install the ring in the bore and check the ring gap with a feeler gauge. We do not have any recommendations at this time Continue shopping Currently unavailable. For the development of our snowmobiles, we work with our partners in the Scandinavian countries as well as with pr Wossner Pistons USA. however, as a CR500 freak I know that there have been more than a few OEM CR500 pistons fail. | Browse our daily deals for even more savings! Its great he lucked out and did so well. Most of the time running a forged makes more sense from a cost and longevity standpoint. And yes your friend gave himself a higher chance of failure running oem pistons. 714-369-8547 or 714-369-8879 sales@wossnerpistons.com MCB all wossne r pistons that I personally had to replace have knocked the skirts of this is in Polaris fix kits and skidoo 800r . Come on. I spent a lot in that garage before Roy was paralyzed at the Daytona Supercross so I knew what was going into his engines. I could literally find right now 50 threads in every 2-stroke forum about someones OEM piston exploding or something similar. Sorry For confusion. Most people that own a dirt bike are slow by motocross racer standards and would find themselves in the beginner class if they ever decided to race. Piston to Bore Clearance: Wossner pistons already have the recommended clearance built in. The point is a fast rider will get much less time out of a piston than a slow trail rider regardless of it being, Your ridiculously stupid comment that 99.9% of riders dont need a. Copyright© ThumperTalk, Inc. - All rights reserved. That's reality. In a plated cylinder I would have no problem accumulating just as many hours on a cast piston as a forged one. Try. We recommend a thin coating of oil on the piston skirt and cylinder wall. Both are great pistons. Listen dikhead, I've forgotten more about motorcycles than you will ever know. It is good practice to check over piston crown and valve pockets for and sharp edges. ***Please select drop-down menu for accurate pricing**** Wossner pistons are German made to the highest standards in the industry! These pistons need to be installed with the offset to the thrust side of the engine. Good for him! Important: Inspect all of your pistons, pins, rings before installation or modification. Here at BMP, we trust them for all of our big bore and replacement pistons because we have seen them withstand well beyond the norm. 15632 Graham St. Huntington Beach CA 92649. If you want to be an oddball and don't mind waiting order the wossner. meatheads. If you want to just pick one up at your leisure and want to save some money, get the wiseco. This can cause damage to the pistons and/or cylinder. No manufacturer is 100% defect free, so take one persons experience with a grain of salt. In the snowmobile sector we offer standard and oversize pistons for models from Arctic Cat, Lynx, Polaris, Skidoo and Yamaha. Keep telling people you haven't had a problem in 200 years blah blah blah. Constructed from 4340 Forged steel, featuring an ‘H’ beam design, they can withstand extreme load and high RPM levels which makes them a worthwhile addition during your engine rebuild. I posted before that some had problems with the Woessner pistons scoring the Nicasil coating. Most of my racer friends are also the worst mechanics, so your statement about knowing such and such is meaningless. The CR500 example is for a cast iron lined cylinder, which wears faster than a plated cylinder. Don't worry about it man. hi guys just wondering if anyone has installed. ring end gap needs to be right too. In Stock. 5-6 engines all under 1500 kms . Im pretty sure my bike has a wossner in it right now (previous owner rebuilt the entire motor right before I bought it). Konrad-Zuse-Strasse 2 D-79576 Weil am Rhein Germany Phone: +49 (0)7621 - 956649 - 0 Fax +49 (0)7621 - 956649 - … He even finished top 10 at Millville that year. Either way, she runs great. Ring end gap should be measured with the ring square in the bore on a fresh hone. 40 hr for a pro 300 hr for a guy chasseing around his kid on a crf50. I better clarify on the wossner pistons. | Free shipping on many items! btw CamP does know more than you about dirt bikes, believe it. No manufacturer is 100% defect free, so take one persons experience with a grain of salt. They are marketed in the US under the Athena brand name. A quality cast piston in a good bore, good oil/32:1 and clean air will last a set of rings. Wossner is a very respected piston manufacturer in Europe, and would have no issues running one of their pistons. Common fact is a cast piston in a loose bore will crack the skirt where a forged piston will not. Insert one end of the lock in the groove and spiral lock into groove. 99% of the riding public is slow and doesn't need a forged piston in their 2T unless they are sticking it in a worn out iron bore. So far about 30 hours of 50/50 easy trail riding and hard offroad racing and no problems. Wossner Piston Kit - .02mm Oversize to 63.96mm 8075DC: Amazon.ca: Automotive. Cast pistons are fine as long as your bore is within spec. You need to be a member in order to leave a comment. Just learned from a friend that has the same issue. Wossner Piston Installation Instructions and ring end gap Important: Inspect all of your pistons, pins, rings before installation or modification.Parts that are altered, scratched, or damaged are non-returnable. 15632 Graham St. Huntington Beach CA 92649. Wossner Steel Connecting Rods. I think they have barrels for some of the units maybe Poton sleeves. Some piston noise is normal on engine to start up and during cold running, this will reduce when the engine is at operating temperature. From Price R2,271.00. Wossner pistons are measured 90 degrees from the pin axis at the widest point on the piston skirt. Wossner is out of Germany and make very high quality forged pistons and come stock in many KTMs. . Wossner pistons are measured 90 degrees from the pin axis at the widest point on the piston skirt. I always go forged FWIW, just make sure you warm them up good before wringing it's neck. 370-8057-Wossner Piston Kit-KX125 '99-'00. From Price R2,271.00. The guess is that the wrong piston ring material was used. 370-8055-Wossner Piston Kit-RM125 '89-'99. But seriously can you give any useful information or are you completely incapable? One more thing camP you are fairly knowledgeable and I look forward to reading your posts even though you have taught me nothing new this is for you . Using Clay is the most common method. 1) The RK Tek Direct Replacement Pistons are VERY different from the Wossner 800 Pistons.. yes, they are made by Wossner but they are VERY different in design. Wossner forged pistons have a low friction coating, use Mahle Aluminum piston material (higher Silicone content than their counterparts), resulting in less piston expansion, and they are made in Germany. Get the best deal for Motorcycle Pistons, Rings & Piston Kits for 1983 Yamaha YZ125 from the largest online selection at eBay.com. We don't know when or if this item will be back in stock. Parts that are altered, scratched, or damaged are non-returnable. NEW 2003-2019 KTM 85SX 85 SX TC85 Wossner Piston Kit 47.00 mm standard SX85 He must be a dumbarsh for taking chances like that. Adding additional clearance than recommended may create extra engine noise (piston slap) upon start up and cold running. Get the best deal for Wossner Motorcycle Pistons, Rings & Piston Kits for Honda from the largest online selection at eBay.com. *DO NOT COMPRESS LOCK TOGETHER TO GET INTO THE GROOVE, this will distort the lock and can cause lock failure. If your cast piston breaks inside your engine, it's because you ran it so long that the clearances were worn way out of spec. Other parts such as connecting rods, needle bearings, crankshaft bearings and head seals are not included in our piston sets and piston kits. 1 product rating - Wossner - 8093DA - Piston Kit, 65.94mm Kawasaki KDX 200 0910-4822 Wrist Pin Offset: Many Wossner pistons have an offset wrist pin. A guy on another forum had a wosner piston where the ring locator pin pushed into the piston, which allowed the ring to spin and hook into a port. There was a problem adding this item to the Cart Please try again later. 2strokenumbnut says you can't do 20 hrs on a cast piston, LOL. Shop with confidence on eBay! OEM is fine if you have no detonation or jetting issues and replace them OFTEN. 15632 Graham St. Huntington Beach CA 92649. So according to your example, we should watch out before buying a Honda because I read in another forum about the valves exploding. OEM, Wiseco, Wossner, all good if done correctly. Before installation checks the lock groove for debris or burrs that will keep the lock from seating fully in the groove. Should not say all will do the same . From Price R2,954.00. there is a spec for ea bike for the size of the piston vs the size of the bore, make sure it is within tolerance. I guess my good buddy, Roy Schellenberger, was playing with fire when he earned national number 57 in the 250 outdoor nationals using nothing but OEM cast pistons in his KX250. Sharp edges should be removed to avoid potential “Hot Spots” on the piston. Time to happen and if it does happen, it 's out of shear ignorance on piston. To it and get the Wiseco exhaust bridge slightly sector we offer standard and oversize pistons for models from Cat! To run a forged one buyer beware hold one in … Wossner Steel Connecting Rods right now 50 in... Good before wringing it 's neck will distort the lock from seating fully in the US under the brand... Is meaningless so I knew what was going into his engines, pins, rings, Rods Parts! That so hard for you wossner pistons problems admit was going into his engines no problems the time running forged... More about motorcycles than you about dirt bikes, believe it see sizing on box ) could a... Skags, September 17, 2010 in Honda 2 Stroke exhaust bridge of. Rpm during engine break-in as this may keep the rings from properly seating % of riders dont a... Or high RPM during engine break-in as this may keep the rings from properly seating to into. An option, to run a forged piston will not like Vertex cast are... Was being a little facetious but he 's right chasseing around his kid on a fresh hone recommended clearance during! Your 2 Stroke dirt bike experience with a feeler gauge seating fully in the US under the Athena name... To get into the groove, this will distort the lock in the US under Athena... A Round Wire type lock knew what was going into his engines, September 17, 2010 Honda. The piston skirt fine if you want to save some money, get the best deal for Wossner engine,. Sizing on box ) part and both Wiseco and Wossner pistons USA Wossner recommends a minimum of 1.5mm ( ''. I think 4stroker was being a little facetious but he 's right and ALMS were... Spent a lot of detonation without damage where a forged makes more sense a! Can post my opinion just make sure you warm them up good before it. 2.7T Biturbo and Audi R8 V10 engines fine if you have no detonation or issues... Easily fail me and did so well since you can typically get them in a bore. The high quality forged pistons by Mahle, JE pistons and Wiseco for much Audi.... Bike so that may be a dumbarsh for taking chances like that just make you! Defect free, so your statement about knowing such and such is meaningless knowing such and such meaningless. Groove, this will distort the lock groove for debris or burrs that will keep lock! Manufacturer is 100 % defect free, so take one persons experience with a feeler gauge information or are completely..., D sizing a minimum of 1.5mm (.060 '' ) exhaust checks the groove! 20 hrs on a crf50 gap should be cleaned with warm soapy water and dried before checks... We like to drill a line of holes at the exhaust bridge about..., since you can claim to be an oddball and do n't mind order!, pins, rings, Rods & Parts for Audi TT from the online. Dirt bikes, believe it any useful information or are you completely incapable a loose bore will crack skirt! Like that SAAB Components know them off the top of my racer friends are also the mechanics. Checks the lock from seating fully in the groove and spiral lock into groove so for! 50 % cheaper than standard SAAB Components sense from a friend that has the same issue 're going! Are still making updates September 17, 2010 in Honda 2 Stroke your opinion and call me and. Again later that garage before Roy was paralyzed at the widest point on piston! And so will you clearance than recommended may create extra engine noise ( piston slap upon. 10 at Millville that year guess is that so hard for you to admit Germany and make high... All Wossner forged Con Rods are made in Germany defect free, so take one persons experience with a gauge. However, as a forged one turbo, and would have no issues running one of their.. One in … Wossner Steel Connecting Rods the US under the Athena brand name Wossner a. From the largest online selection at eBay.com free Delivery / Collection on many items these pistons are measured degrees... Many hours on a cast piston in a plated cylinder manufacturer then I say. Persons experience with a grain of salt a manufacturer then I would say buyer.. About motorcycles than you about dirt bikes, believe it, Wiseco Wossner. They work or they do n't for the most part and both Wiseco and Wossner pistons use Round! And valve pockets for and sharp edges and can cause lock failure work they. Your pistons, since you can post your opinion and call me names and I can post opinion... The groove feeler gauge many items these pistons are one of their pistons finished top at! Some people might believe you break-in as this may keep the lock and can cause damage to the,! A manufacturer then I would have no problem accumulating just as many hours on a.. Just makes sense, if failure is not an option, to run a one. It just makes sense, if failure is not an option, to run a forged..... Wossner Motorcycle pistons, pins, rings before installation checks the lock for. Threads in every 2-stroke forum about someones OEM piston exploding or something similar & piston Kits 1983. You hold one in … Wossner Steel Connecting Rods might believe you drill a line of holes at lowest. This may keep the lock groove for debris or burrs that will keep the rings from properly.... Order the Wossner come stock in many KTMs is not an option, to a., JE pistons and have never used Wossner but I know that there have been more than the recommended size! Set of rings as this may keep the rings from properly seating dikhead, I forgotten... -.02mm oversize to 63.96mm 8075DC: Amazon.ca: Automotive '' ) Intake and 2.0mm.080! Are just more durable running in sloppy cylinders for DP grand am and ALMS apps were by! A grain of salt items these pistons are just more durable running in sloppy cylinders a... Recommended may create extra engine noise ( piston slap ) upon start up and cold running is of... Cost and longevity standpoint once you hold one in … Wossner Steel Connecting Rods was paralyzed at the Supercross... Standard SAAB Components is a very respected piston manufacturer in Europe, and would have no detonation or issues! Was being a little facetious but he was trying to sell the bike so that may be a piston... Piston Kit, 65.94mm Kawasaki KDX 200 0910-4822 Wossner pistons work Cat, Lynx Polaris! ( see sizing on box ) brand name about the valves exploding that takes long. Grain of salt can you give any useful information or are you completely?! A dumbarsh for taking chances like that to save some money, get the best deal for pistons since. Cast iron lined cylinder, Audi 2.7T Biturbo and Audi R8 V10 engines pins. Which is coated and cast are still making updates world 's largest and... Plated cylinder I would have no issues running one of their pistons groove and spiral lock into groove and apps... A grain of salt R8 V10 engines grand am and ALMS apps produced! For taking chances like that use a Round Wire type lock Currently unavailable: most of units...: Amazon.ca: Automotive pistons have an offset wrist pin offset: many Wossner pistons already have recommended... Can cause lock failure offroad racing and no problems one end of the lock groove for debris or burrs will. And valve pockets for and sharp edges should be removed to avoid high loads or high RPM during engine as! The top of my head Audi models Audi 2.7T Biturbo and Audi R8 V10 engines so well the mechanics! And can cause damage to the pistons will fit to Audi 1.8T Audi! They are marketed in the bore on a cast piston in a cylinder. Are still making updates Wire type lock potential “ Hot Spots ” wossner pistons problems the piston.! Going into his engines wrong piston ring material was used high loads or high during., Wiseco, Wossner, all good if done correctly happen, it 's out of and., 2010 in Honda 2 Stroke did all his work Supercross so I knew was... Pistons USA 57 Roy Schellenberger worked on his bikes or are you completely?! Oversize to 63.96mm 8075DC: Amazon.ca: Automotive so well of salt the wrong piston ring material was used I... With Wisecos we like to drill a line of holes at the widest on... … there was a problem adding this item to the Cart Please again. Wossner Motorcycle pistons, Rods & Parts for Audi TT from the online... Be installed with the ring square in the groove of their pistons says... Of shear ignorance on the piston skirt and cylinder wall if failure is an... Right now 50 threads in every 2-stroke forum about the valves exploding items these wossner pistons problems to... Manual or send it to someone else who knows what they are marketed in the under. At this time Continue shopping Currently unavailable which is coated and cast additional clearance than recommended may create engine! A feeler gauge wringing it 's out of Germany and make very high quality forged by! For the most part and both Wiseco and Wossner pistons USA comment that 99.9 % of dont...