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Found 90 results

  1. arinlee22sr

    Suzuki RM65 (2003)

    0 comments

    Very fun bike, tiny but fun to mess around on.
  2. Jake Rose

    Honda CR250R (1998)

    0 comments

    Badass bike just rips!
  3. vortexsophia

    Honda XR650R (2000)

    0 comments

    My favorite Bike on the Planet. The monster #HondaXR650R#Supermoto
  4. ThumperTalk

    Wiseco Piston Kit

    20 reviews

    Forged from high-silicon aluminum alloy for maximum strength and dependability Wiseco offers a complete range of popular piston models and years for both trail and racing applications Durability, longevity and increased horsepower Innovative forging design and piston skirt provide maximum horsepower and torque All Wiseco High-Performance Motorcycle Pistons come with rings and circlips
  5. gunnar127

    Yamaha YZ125 (2005)

    0 comments

    Fast,nimble,light weight machine.
  6. Rb26sx

    Suzuki RMZ250 (2007)

    0 comments

    Its great. out of the box the suspension was spot on, bikes feels great
  7. mattwel

    Honda CRF450R (2003)

    0 comments

    My first modern dirt bike. So far it is a beast on the trails. Steve Sage set my suspension up just how I wanted and after adding a trail tech 35oz flywheel it is an absolute tractor. Been super easy to work on and get to my liking
  8. FORCON8541

    Kawasaki KDX200 (2006)

    0 comments

    Awesome Bike to have around. Great in the trails and small MX tracks. Reminds me of mid 90's KX125
  9. Purchase any Wiseco Powersports product(s) with a subtotal of $250 or more between March 21st 2018 and May 31st 2018, and receive a ProX air filter FREE by mail-in rebate! Just follow the redemption process outlined below. A Race-Quality, Dual-Stage Air Filter for Free! ProX air filters feature dual-stage bonded foam, to capture dirt and debris, from coarse to fine. The thick, flat sealing ring provides a proper seat on the air box, to keep everything but air out. ProX air filters optimize air flow and protection in one package. How to Redeem Your Free ProX Air Filter: Purchase Wiseco Powersports product subtotaling $250 or more between March 21st 2018 and May 31st 2018. Download the rebate form here. Complete the form and include a copy of your receipt showing the seller's name/company and selling price(s), and the product serial number(s). Cut out the barcode label(s) on the side of the box with the Wiseco part number(s) and mail in with your redemption form. Mail completed form and copy of receipt to: Wiseco Performance Products Attn: ProX Air Filter Rebate 7201 Industrial Park Blvd. Mentor, Ohio 44060 You will receive your free air filter in 4-6 weeks. Go here for complete details and terms and conditions. ProX air filters feature dual-stage bonded foam and thick sealing rings, creating a reliable combination of protection and performance. Learn about proper air filter maintenance and performance here.
  10. Find out how to relieve an exhaust bridge and drill lubrication holes in 2 stroke applications, so you can get the most out of your piston! When you order a new Wiseco 2-stroke piston and open up the box and read the instructions, you might see something like “follow these steps to drill the lubrication holes.” There’s no doubt that the thought of drilling holes in your new piston can be scary and intimidating. But not to worry! We’ll get you through it right here with all the information you need and a step-by-step. Relieving the exhaust bridge and drilling lubrication holes is a common part of the 2-stroke top end replacement process, but the importance of performing these steps is unrealized by many and neglected too often. Drilling lubrication holes is a simple but important process for many 2 stroke applications. So, what is an exhaust bridge? First things first, not all 2-stroke cylinders have an exhaust bridge. So if your cylinder does not have one, drilling holes in your piston is not necessary. The exhaust bridge is the thin strip of metal that separates the exhaust ports in the cylinder. Whether you look into the exhaust ports through the exhaust outlet or through the cylinder bore, if you see a thin metal wall separating your exhaust ports, that is your exhaust bridge. For the purpose of installing a new Wiseco piston, the area of concern is the edge of the exhaust bridge on the inside of the cylinder bore. The exhaust bridge is the edge of the wall separating the exhaust ports on some 2 stroke cylinders. Why do I need to relieve the exhaust bridge? Now that we know what the exhaust bridge is, it’s important to understand why we feel this machine work is essential to replacing a 2-stroke top end. The most heat in your motor is generated from combustion in the cylinder during normal operation. Specifically, the exhaust port(s) of the cylinder are exposed to the most heat because this is the only way out for the hot gas produced during combustion. This means that under normal running conditions, your piston and your exhaust bridge are constantly under the pressure of extreme heat. Wiseco pistons are made from forged aluminum, which offers more strength and reliability, but also expands faster under heat than an OEM cast piston. The exhaust bridge will also expand more than the rest of the cylinder because it is such a thin structure. The lack of material makes it harder for heat to dissipate before it affects the aluminum and causes expansion. Expansion under heat is normal, but must be compensated for to make sure you get the most life and best performance out of your top end. Relieving the exhaust bridge simply means taking a small amount of material off the face the bridge in order to make room for expansion. If there wasn't any extra clearance, the exhaust bridge would expand past the cylinder wall once your motor heats up. This leads to scoring on the piston as it comes into contact with the exhaust bridge, especially as the piston expands at the same time. Notice the small amount of material taken off of the exhaust bridge, and the blending back into the cylinder. Read below on how to accomplish this. Relieving the Exhaust Bridge Now that we have some understanding established, let’s go through how to get it done. As always, if you don’t feel comfortable doing this work, this can commonly be done by the shop performing your cylinder work. If you have the rights tools, this can be done in the garage on cast iron and steel cylinder bore liners. We recommend using a die grinder with a small sanding roll to gently remove .003” of material off the cylinder wall face of the exhaust bridge. After the material is removed, the machining must be blended with the rest of the cylinder wall at the top and bottom of the exhaust bridge. You want to make sure there’s an easy slope for the piston ring to slide over when entering and exiting the exhaust bridge relief. If your cylinder is lined with Nikasil, this process will not work because that material is too hard. Your exhaust bridge must be relieved before being lined with Nikasil to achieve the same result. Check with the shop you choose for your cylinder work if you are unsure. Why do I need to drill holes in my piston? Relieving the exhaust bridge will make sure there’s no expansion past the cylinder wall, but we still want to make sure we keep the heat as low as possible. With small holes drilled into the skirt of the piston, oil underneath the piston will makes its way through the holes, and lubricate the contact point between the piston and exhaust bridge. Better lubrication means less friction, and less friction means less heat, which is what we want to make sure we don’t have any abnormal wear. Drilling Lubrication Holes Make sure you have the instruction sheet that came with your new piston. This drilling information can also be found there, complete with a visual diagram. Be prepared with your instruction sheet. 1. Install the piston and wrist pin on the connecting rod with one circlip. Make sure the arrow stamped on the dome of the piston is facing the exhaust side of the cylinder. 2. Slide the cylinder over the piston until the cylinder is in its normal position on the crankcase. Temporarily install the piston on the connecting rod and slide the cylinder over the piston. 3. Slowly turn the engine over until the bottom ring groove (or the only ring groove if your piston has only one) on the piston is at the top of the exhaust bridge. You can look through the exhaust port of the cylinder to help know when the piston is in the correct spot. 4. Go through the exhaust port with a pencil and trace a line on the piston skirt for each side of the exhaust bridge. Trace two lines on the piston, one on each side of the exhaust bridge. 5. Once the lines are traced and visible, remove the cylinder and the piston. 6. Start .300” below the bottom ring groove and mark two points .375” apart from each other. Make sure the points are centered horizontally between the two lines you traced. Use the proper measurements to mark 2 points for the holes to be drilled. 7. Drill two holes .060” - .090” in diameter (1/16” or 5/64” drill bit) on your marked points (one hole on each point). Drill holes on your marked points with one of the specified drill bits. 8. Remove all burrs from drilling the lubrication holes. On the inside of the piston, lightly sand with 400-600 grit sand paper. On the outside of the piston, use a ¼” drill bit and twirl it between your fingers over the holes you drilled to break away any edges and imperfections. 9. Wash the cylinder and piston with soap and water, and use compressed air to remove any water and debris. 10. Wipe the cylinder wall with light coat of oil. Whichever 2-cycle oil you normally use is fine. 11. Continue your top end rebuild as normal. This is how your final product should look all cleaned up and deburred. Why doesn't Wiseco pre-drill the holes in the pistons during manufacturing? Some Wiseco two-stroke pistons do come with these lubrication holes pre-drilled. However, there are certain applications that use the same piston across a wide range of model years, but the location of the exhaust ports across those years changes. Therefore, while the piston remains the same, the location of the lubrication holes will vary based the specific year cylinder for certain applications. Want to see the latest in 2-stroke piston technology? Read about the Wiseco 2-Stroke Racer Elite pistons here. See all that Wiseco has to offer for your 2-stroke here.
  11. Dj2031

    Honda XR80R (1996)

    0 comments

    Love tinkering on this simple bike...Great rider for all ages.. Love the fact that you can buy parts anywhere for this bike... Fun to just hit the trails by the house to blow off steam..
  12. natem545

    Honda XR650R (2000)

    0 comments

    "Xr650r" for what it is, its the perfect combination of versatility and reliability in an affordable package.
  13. jbranford

    Suzuki DR-Z400 (2002)

    0 comments

    Great fun, owned for 7 years and very few problems
  14. Ethan James Boomhower

    Suzuki PE175 (1982)

    0 comments

    peppy 2 stroke with a great trail suspension . but has drum brakes
  15. chillthree

    Honda CRF450R (2002)

    0 comments

    This is my baby, HotRod Crank, Wiseco 13:1 Piston/Rings, HotCams, Heads Decked, FMF Pipe, Many Cosmetic Upgrades as well...
  16. Shawn_Mc

    Honda CRF450R (2003)

    1 comment

    Revalved fork and shock at least a dozen times. 13.5:1 Wiseco Piston, Thunder Alley pipe, Mild port work, runs fast.
  17. D-r-z-400e

    2002 cr250r super clean

    cut right to the chace. is 1800 a good price for a 2002 cr250 with new wiseco top end with only 7 hours on it the bike is super clean and looks really good. what are you guys thinking? anything i should know about this bike? pros/cons?
  18. csmithe

    Honda CRF250X (2005)

    0 comments

    Purchased for $2500 this spring and replaced piston and rings and new Kibblewhite SS valves. It already had all of the usual modifications done ..JD Jetting, 4x4 airbox, pipe mod, Rekluse clutch. Added lowering link and Maxxis Tires. <br />Absolutely love this bike in the tight single track I ride in Eastern Oregon.
  19. Wiseco's new Garage Buddy engine rebuild kits offer everything you need for a bottom and top end rebuild. From the crank to the piston kit, and even an hour meter to track maintenance, everything is included in one box. Here we take a look at the components included, and the technology behind them. So, the time has come for an engine rebuild. Hopefully it’s being done as a practice of proper maintenance, but for many it will be because of an engine failure. Whether the bottom end, top end, or both went out, the first step is to disassemble and inspect. After determining any damage done to engine cases or the cylinder, and arranging for those to be repaired/replaced, you’re faced with choosing what internal engine components to buy, where to get them, and how much the costs are going to add up. A full engine rebuild is a serious job and requires a lot of parts to be replaced, especially in four-strokes. You have to think of bottom end bearings and seals, a crankshaft assembly, piston, rings, clips, wristpin, and the plethora of gaskets required for reassembly. If you’re doing this rebuild yourself, or having your local shop do the labor, chances are you don’t have a factory team budget to spend on parts. However, you know you want high-quality and durable parts, because you don’t want to find yourself doing this again anytime soon. Rebuilding a dirt bike engine is an involved job, requiring many parts to be replaced. Missing one seal or gasket can put the whole rebuild on hold. You could source all the different parts you need from different vendors to find the best combination of quality and affordability. But, it can get frustrating when 6 different packages are coming from 6 different vendors at different times, and each one relies on the next for you to complete your rebuild. Wiseco is one of the manufacturers that has been offering top end kits (including piston, rings, clips, gaskets, and seals) all in one box, under one part number for many years. Complete bottom end rebuild kits are also available from Wiseco, with all necessary parts under one part number. So, it seemed like a no brainer to combine the top and bottom end kits, and throw in a couple extra goodies to make your complete engine rebuild in your garage as hassle free as possible. Top-end piston kits and bottom-end kits come together to create Wiseco Garage Buddy rebuild kits. Wiseco Garage Buddy kits are exactly as the name implies, the buddy you want to have in your garage that has everything ready to go for your engine rebuild. Garage Buddy engine rebuild kits come with all parts needed to rebuild the bottom and top end, plus an hour meter—with a Garage Buddy specific decal—to track critical maintenance intervals and identify your rebuild as a Garage Buddy rebuild. The kits include: Crankshaft assembly OEM quality main bearings All engine gaskets, seals, and O-rings Wiseco standard series forged piston kit (piston, ring(s), pin, clips) Small end bearing (for two-strokes) Cam chain (for four-strokes) Hour meter with mounting bracket and hour meter decal Open up a Garage Buddy kit, and you'll find all the components you need to rebuild your bottom and top end. 2-stroke and 4-stroke Whether your machine of choice is a 2-stroke or a 4-stroke, Wiseco can help you with your rebuild. 2-stroke Wiseco Garage Buddy kits include everything listed above, featuring a Wiseco forged Pro-Lite piston kit. You don’t even have to worry about sourcing a small-end bearing, that’s included too. 2-stroke fans often brag about the ability to rebuild their bikes so much cheaper than their 4-stroke counterparts, and they’ll have even more ammo for bragging now with these kits starting in the $400 range. A Wiseco 2-stroke Garage Buddy kit includes all the parts you'll need for piston and crankshaft replacement, plus an hour meter to track your next maintenance intervals. However, don’t abandon your 4-stroke yet. Many riders cringe—and rightfully so—at the thought of rebuilding their 4-stroke because of the costs associated, but Wiseco 4-stroke Garage Buddy kits starting in the $600s takes a lot of sting off your rebuild project. They even include a new timing chain. No matter what you’re rebuilding, you’ll be able to track key maintenance intervals for your fresh engine with the Wiseco hour meter and log book that’s included in the Garage Buddy kits. All Garage Buddy kits include a specific hour meter decal as well, which is important for the limited warranty to identify the rebuild as a Garage Buddy rebuild. A Wiseco 4-stroke Garage Buddy kit includes all the parts you'll need for piston and crankshaft replacement, including a cam chain and an hour meter. Ease of ordering Wiseco Garage Buddy kits come with the listed parts boxed up in one box, and listed under one part number, which makes it nice to not have to worry about if you might’ve missed something when ordering. Simply find the single part number for your model, order, and you’re on your way to brand new performance. Quality Performance, backed by a Limited Warranty Ordering convenience doesn’t make a difference if the parts do not provide quality and reliability. Wiseco crankshafts are designed completely by in-house engineers, who determine all assembled dimensions, clearances, materials, and specifications. These specifications have been determined from R&D tests such as hand inspection, dyno, and failure analysis. Once Wiseco cranks have been manufactured to exact specifications they are batch inspected, and critical tolerances and dimensions are measured. Major inspections and tests include crank run-out and trueness, because they must operate within a strict tolerance to last long and perform well. Wiseco crankshafts and bearings are manufactured and tested according to strict tolerances and clearances, including run-out and trueness. Crankshaft designs are also tested for 4 hours at WOT. Bearings are another critical point of inspection. Wiseco has worked to build relationships with top-tier bearing suppliers to provide a long lasting, low-friction product. Debris in a bearing can lead to very fast wear, and Wiseco makes it a point to inspect batches of bearings for cleanliness and proper operation. As part of the design and engineering process, prototype crankshafts are hand inspected and dyno-tested at wide open throttle for 4 consecutive hours. This is a benchmark test, and new crankshaft designs must pass it before to be deemed worthy for manufacturing. Watch our crank R&D and inspection process. A Warranty on Engine Internals? Yes! Wiseco is committed to providing performance and reliability in all their products. This is why Garage Buddy kits come with a limited warranty. Rebuild your engine with a Garage Buddy kit, and your new Wiseco components are covered against manufacturer defects for 90 days from the date of purchase, or 10 hours logged on the hour meter, whichever comes first. Check out all the warranty details on the detail sheet in your new Garage Buddy kit. Open up your Garage Buddy kit and you'll find a detail sheet on the warranty on your new components. Forged Pistons The top end kits included in Garage Buddy kits feature a Wiseco forged piston, which are designed, forged, and machined completely in-house in the U.S.A. Four-stroke Garage Buddy kits come with a Wiseco standard forged piston, which offers stock compression and more reliability and longevity, thanks to the benefits of the forging process. Two-stroke Garage Buddy kits include a Wiseco Pro-Lite forged piston, which is the two-stroke piston that has been providing two-stroke riders quality and reliability for decades. Some applications, two and four-stroke, even feature ArmorGlide skirt coating, reducing friction and wear for the life of the piston. Forged aluminum has an undeniable advantage in strength over cast pistons, thanks to the high tensile strength qualities of aluminum with aligned grain flow. Read more about our forging process here, and get all the details on our coatings here. All Wiseco pistons are forged in-house from aluminum. Some pistons may also come with ArmorGlide skirt coating, and some 2-stroke pistons may already have exhaust bridge lubrication holes pre-drilled. All pistons are machined on state-of-the-art CNC machine equipment, then hand finished and inspected for quality. The forged pistons come complete with wrist pin, clips, and high-performance ring(s). Lastly, all gaskets and seals are made by OEM quality manufactures. Sealing components are not something to ever go cheap on, because no matter how high-quality your moving components are, if your engine is not sealing properly, it’s coming back apart. Need some tips on breaking in your fresh engine? Check this out. Gaskets and seals provided in Wiseco Garage Buddy kits are OEM quality, ensuring your freshly rebuilt engine is properly sealed.
  20. Bryan Bosch

    Wiseco Racer Elite Piston Kit

    1 review

    Wiseco introduces the Racer Elite series pistons. The pistons were designed for the serious rider or racer looking for the best performing shelf piston they can find. Racer Elite 4-Stroke pistons feature an asymmetrical skirt design that keeps contact with the cylinder wall minimal, as well as keeps the weight down. They also feature ArmorGlide skirt coating, ensuring friction is staying as low as possible. Racer Elite 4-stroke pistons are fully machined billet, allowing for the best weight optimization and the ability to machine the boxed under-crown structure with precision. Racer Elite 2-Stroke pistons are forged out of a 2000 series alloy that offers more tensile strength than the more popular 4000 series. Pistons are coated with ArmorPlating, a Wiseco surface treatment covering the crown, ring groove, pin bore, and under-crown. ArmorPlating protects against wear caused by heat and detonation. ArmorFit skirt coating adapts to the proper piston-to-wall clearance during initial operation, and remains at that clearance, reducing operating friction throughout the life of the piston. A unique benefit of having ArmorFit on a 2-stroke piston is the ability to eliminate the need for A, B, C piston sizing. R&D developed Dyno proven power gains Asymmetric skirt design Improved wear and even loading on major thrust skirt Precision fit ring 100% billet machined Custom lapped compression ring for improved power Superior strength to weight ratio and optimized fit High compression Maximum torque and throttle response Dome design Improved flame travel to maximize air/ fuel burn efficiency DLC coated piston pin Reduced friction, improved scuff resistant Enhanced pin oiling Improved lubrication and reduced friction Pressure seal groove Reduces ring lifting and power loss ArmorGlide® skirt coating Reduced friction, quieter operation, improved scuff resistance
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