--- title: Blog | ProX Racing Parts | Paul Olesen description: Subscribe to the ProX blog for the latest info on racing parts for dirt bikes, snowmobiles, karts, ATVs, Jetskis & other powersports racing equipment. image: ?t=#keepProtocol --- - [HOME](http://www.pro-x.com) - [PRODUCTS](http://www.pro-x.com/products/) - [NEWS](http://www.pro-x.com/news/) - [TEAM & SERIES](http://www.pro-x.com/teams/) - [SUPPORT](http://#) - [PRODUCT CATALOGUE](http://www.pro-x.com/media/catalogue/) - [COUPONS](http://www.pro-x.com/coupons/) - [APPAREL](http://www.pro-x.com/prox_apparel) - [CONTACT](http://www.pro-x.com/contact/) [![Prox_logo_CMYK_Frame.png](https://blog.pro-x.com/hs-fs/hubfs/ProX/Prox_logo_CMYK_Frame.png?width=320&height=96&name=Prox_logo_CMYK_Frame.png "Prox_logo_CMYK_Frame.png")](https://blog.pro-x.com/) ,[NEWS](https://blog.pro-x.com/topic/news) ,[NEW PRODUCTS](https://blog.pro-x.com/topic/new-products) ,[VIDEOS](https://blog.pro-x.com/topic/videos) ,[UTV](https://blog.pro-x.com/topic/utv) [Rebuilding RZR Engines the Easy Way: Polaris 800 Rebuild Kits](https://blog.pro-x.com/rebuilding-rzr-engines-the-easy-way-polaris-800-rebuild-kits) ,[Maintenance](https://blog.pro-x.com/topic/maintenance) ,[Build Features](https://blog.pro-x.com/topic/build-features) [Yamaha YZ250FX Raced, Rebuilt & Raced Again](https://blog.pro-x.com/yamaha-yz250fx-engine-rebuild-with-prox-piston-and-rod) ,[FEATURES](https://blog.pro-x.com/topic/features) ,[Powersports](https://blog.pro-x.com/topic/powersports) ,[Maintenance](https://blog.pro-x.com/topic/maintenance) [ProX Parties with the Babes! | Babes in the Dirt 7](https://blog.pro-x.com/prox-parties-with-the-babes-babes-in-the-dirt-7) ,[Powersports](https://blog.pro-x.com/topic/powersports) ,[ENGINE TECH](https://blog.pro-x.com/topic/engine-tech) ,[Tech](https://blog.pro-x.com/topic/tech) ,[Maintenance](https://blog.pro-x.com/topic/maintenance) ,[How-To](https://blog.pro-x.com/topic/how-to) [Why Replacing your 4-Stroke Motorcycle's Cam Chain can Prevent Engine Failure](https://blog.pro-x.com/why-replacing-your-4-stroke-motorcycles-cam-chain-can-prevent-engine-failure) ,[NEWS](https://blog.pro-x.com/topic/news) ,[NEW PRODUCTS](https://blog.pro-x.com/topic/new-products) [Lightweight Design, Proven Durability | ProX Steel Sprockets](https://blog.pro-x.com/lightweight-design-proven-durability-prox-steel-sprockets) - [BLOG HOME](https://blog.pro-x.com) - [NEWS](https://blog.pro-x.com/topic/news) - [NEW PRODUCTS](https://blog.pro-x.com/topic/new-products) - [TECH](https://blog.pro-x.com/topic/tech) - [HOW-TO](https://blog.pro-x.com/topic/how-to) - [MAINTENANCE](https://blog.pro-x.com/topic/maintenance) - [FEATURES](https://blog.pro-x.com/topic/features) - [VIDEOS](http://www.youtube.com/user/ProXRacingParts) - [PROX YOUTUBE CHANNEL](https://www.youtube.com/user/ProXRacingParts) Search the blog Latest Posts ## Paul Olesen Find me on: [\[fa icon="facebook-square"\]Facebook](https://www.facebook.com/DIYMotoFix) [\[fa icon="linkedin-square"\]Linkedin](https://www.linkedin.com/in/paul-olesen-86a00061/) ## Recent Posts [![Why Replacing your 4-Stroke Motorcycle's Cam Chain can Prevent Engine Failure](https://blog.pro-x.com/hs-fs/hubfs/ProX/TECH/Cam%20Chain/ProX%20Cam%20Chain%209.png?width=400&name=ProX%20Cam%20Chain%209.png "Why Replacing your 4-Stroke Motorcycle's Cam Chain can Prevent Engine Failure")](https://blog.pro-x.com/why-replacing-your-4-stroke-motorcycles-cam-chain-can-prevent-engine-failure) ,[Powersports](https://blog.pro-x.com/topic/powersports) ,[ENGINE TECH](https://blog.pro-x.com/topic/engine-tech) ,[Tech](https://blog.pro-x.com/topic/tech) ,[Maintenance](https://blog.pro-x.com/topic/maintenance) ,[How-To](https://blog.pro-x.com/topic/how-to) ## [Why Replacing your 4-Stroke Motorcycle's Cam Chain can Prevent Engine Failure](https://blog.pro-x.com/why-replacing-your-4-stroke-motorcycles-cam-chain-can-prevent-engine-failure) Have you ever thought about the importance of your four-stroke engine’s cam chain – also referred to as a timing chain – and what would happen if it broke? The cam chain is one of.. [READ MORE](https://blog.pro-x.com/why-replacing-your-4-stroke-motorcycles-cam-chain-can-prevent-engine-failure) February 11, 2022  /  By [Paul Olesen](https://blog.pro-x.com/author/paul-olesen) [![How To Adjust and Replace Your Motorcycle's Throttle Cable](https://blog.pro-x.com/hs-fs/hubfs/ProX/TECH/Throttle%20Cable%20Replacement/prox-throttle-cable-44.jpg?width=400&name=prox-throttle-cable-44.jpg "How To Adjust and Replace Your Motorcycle's Throttle Cable")](https://blog.pro-x.com/how-to-adjust-and-replace-your-motorcycles-throttle-cable) ,[Powersports](https://blog.pro-x.com/topic/powersports) ,[Tech](https://blog.pro-x.com/topic/tech) ## [How To Adjust and Replace Your Motorcycle's Throttle Cable](https://blog.pro-x.com/how-to-adjust-and-replace-your-motorcycles-throttle-cable) *The throttle cable may seem like a simple part of your bike, but it can keep you from riding if not properly maintained or replaced. Read as we take you through cable maintenance..* [READ MORE](https://blog.pro-x.com/how-to-adjust-and-replace-your-motorcycles-throttle-cable) June 8, 2020  /  By [Paul Olesen](https://blog.pro-x.com/author/paul-olesen) [![How to Rebuild the Top End in your Two-Stroke](https://blog.pro-x.com/hs-fs/hubfs/ProX/TECH/2-Stroke-Top-End/prox_2_stroke_top_end_piston-47.jpg?width=400&name=prox_2_stroke_top_end_piston-47.jpg "How to Rebuild the Top End in your Two-Stroke")](https://blog.pro-x.com/how-to-rebuild-the-top-end-in-your-two-stroke) ,[Powersports](https://blog.pro-x.com/topic/powersports) ,[ENGINE TECH](https://blog.pro-x.com/topic/engine-tech) ,[Tech](https://blog.pro-x.com/topic/tech) ## [How to Rebuild the Top End in your Two-Stroke](https://blog.pro-x.com/how-to-rebuild-the-top-end-in-your-two-stroke) *Rebuilding a top end is a task most two-stroke owners will run into at one point or another. Here, we go over critical steps and key tips to installing a new piston and ring(s) in..* [READ MORE](https://blog.pro-x.com/how-to-rebuild-the-top-end-in-your-two-stroke) April 20, 2020  /  By [Paul Olesen](https://blog.pro-x.com/author/paul-olesen) [![How To Replace the Countershaft Sprocket and Rear Sprocket on your Dirt Bike](https://blog.pro-x.com/hs-fs/hubfs/Wiseco/BIKE%20FEATURES/Husqvarna%20FX450/kevin_husky_fx_450-21.jpg?width=400&name=kevin_husky_fx_450-21.jpg "How To Replace the Countershaft Sprocket and Rear Sprocket on your Dirt Bike")](https://blog.pro-x.com/how-to-replace-the-countershaft-sprocket-and-rear-sprocket-on-your-dirt-bike) ,[Tech](https://blog.pro-x.com/topic/tech) ,[Maintenance](https://blog.pro-x.com/topic/maintenance) ,[How-To](https://blog.pro-x.com/topic/how-to) ## [How To Replace the Countershaft Sprocket and Rear Sprocket on your Dirt Bike](https://blog.pro-x.com/how-to-replace-the-countershaft-sprocket-and-rear-sprocket-on-your-dirt-bike) *Follow along through our guide of tips and tricks on replacing the front and rear sprockets on your dirt bike.* [READ MORE](https://blog.pro-x.com/how-to-replace-the-countershaft-sprocket-and-rear-sprocket-on-your-dirt-bike) March 12, 2020  /  By [Paul Olesen](https://blog.pro-x.com/author/paul-olesen) [![ProX Pistons Provide Affordable Performance for Polaris RZR 800 Engines](https://blog.pro-x.com/hs-fs/hubfs/ProX/NEW%20PRODUCTS/ProX%20RZR%20800%20Pistons/ProX_RZR_800_Pistons-4.jpg?width=400&name=ProX_RZR_800_Pistons-4.jpg "ProX Pistons Provide Affordable Performance for Polaris RZR 800 Engines")](https://blog.pro-x.com/prox-pistons-provide-affordable-performance-for-polaris-rzr-800-engines) ,[NEWS](https://blog.pro-x.com/topic/news) ,[NEW PRODUCTS](https://blog.pro-x.com/topic/new-products) ,[Powersports](https://blog.pro-x.com/topic/powersports) ,[Tech](https://blog.pro-x.com/topic/tech) ,[UTV](https://blog.pro-x.com/topic/utv) ## [ProX Pistons Provide Affordable Performance for Polaris RZR 800 Engines](https://blog.pro-x.com/prox-pistons-provide-affordable-performance-for-polaris-rzr-800-engines) *ProX is proudly bringing budget-friendly and reliable performance to RZR 800 engines in need of a rebuild. Manufactured by OEM suppliers with additional features added, these..* [READ MORE](https://blog.pro-x.com/prox-pistons-provide-affordable-performance-for-polaris-rzr-800-engines) March 10, 2020  /  By [Paul Olesen](https://blog.pro-x.com/author/paul-olesen) [![12 Tips to Help Keep Your 2-Stroke Running Strong](https://blog.pro-x.com/hs-fs/hubfs/ProX/TECH/2-Stroke-Top-End/prox_2_stroke_top_end_piston-55.jpg?width=400&name=prox_2_stroke_top_end_piston-55.jpg "12 Tips to Help Keep Your 2-Stroke Running Strong")](https://blog.pro-x.com/12-tips-to-keep-your-2-stroke-running) ,[Powersports](https://blog.pro-x.com/topic/powersports) ,[Tech](https://blog.pro-x.com/topic/tech) ,[Maintenance](https://blog.pro-x.com/topic/maintenance) ,[How-To](https://blog.pro-x.com/topic/how-to) ## [12 Tips to Help Keep Your 2-Stroke Running Strong](https://blog.pro-x.com/12-tips-to-keep-your-2-stroke-running) *We put together some tips that will help you prevent and diagnose potential problems with your 2-stroke engine. Bookmark this maintenance guide to help keep your bike on the track..* [READ MORE](https://blog.pro-x.com/12-tips-to-keep-your-2-stroke-running) December 15, 2019  /  By [Paul Olesen](https://blog.pro-x.com/author/paul-olesen) [![How to Replace the Clutch Basket in your Dirt Bike or ATV](https://blog.pro-x.com/hs-fs/hubfs/ProX/TECH/Replace%20Clutch%20Basket/prox_clutch_basket_replacement-13.jpg?width=400&name=prox_clutch_basket_replacement-13.jpg "How to Replace the Clutch Basket in your Dirt Bike or ATV")](https://blog.pro-x.com/how-to-replace-the-clutch-basket-in-your-dirt-bike-or-atv) ,[Powersports](https://blog.pro-x.com/topic/powersports) ,[Tech](https://blog.pro-x.com/topic/tech) ,[Maintenance](https://blog.pro-x.com/topic/maintenance) ,[How-To](https://blog.pro-x.com/topic/how-to) ## [How to Replace the Clutch Basket in your Dirt Bike or ATV](https://blog.pro-x.com/how-to-replace-the-clutch-basket-in-your-dirt-bike-or-atv) Is your clutch having problems engaging and disengaging? Do you feel inconsistency through the clutch lever when operating the clutch? A worn clutch basket could be the cause. In.. [READ MORE](https://blog.pro-x.com/how-to-replace-the-clutch-basket-in-your-dirt-bike-or-atv) July 15, 2019  /  By [Paul Olesen](https://blog.pro-x.com/author/paul-olesen) [![How To Make Carburetor Jetting Adjustments on your Dirt Bike or ATV](https://blog.pro-x.com/hs-fs/hubfs/ProX/TECH/Carb_Jetting/ProX-carb-jetting-13.jpg?width=400&name=ProX-carb-jetting-13.jpg "How To Make Carburetor Jetting Adjustments on your Dirt Bike or ATV")](https://blog.pro-x.com/how-to-make-carburetor-jetting-adjustments-on-your-dirt-bike) ,[Powersports](https://blog.pro-x.com/topic/powersports) ,[Tech](https://blog.pro-x.com/topic/tech) ,[Maintenance](https://blog.pro-x.com/topic/maintenance) ,[How-To](https://blog.pro-x.com/topic/how-to) ## [How To Make Carburetor Jetting Adjustments on your Dirt Bike or ATV](https://blog.pro-x.com/how-to-make-carburetor-jetting-adjustments-on-your-dirt-bike) *Jetting is critical in carbureted dirt bikes and ATVs and it's important to understand how carburetor tuning works to make sure your machine is running optimally. Check out our..* [READ MORE](https://blog.pro-x.com/how-to-make-carburetor-jetting-adjustments-on-your-dirt-bike) May 31, 2019  /  By [Paul Olesen](https://blog.pro-x.com/author/paul-olesen) [![10 Signs Your 4-Stroke Engine is Getting Tired](https://blog.pro-x.com/hs-fs/hubfs/ProX/TECH/YZ450F%20Piston%20Replacement/JE7_8315.jpg?t=1475023575990&width=400&name=JE7_8315.jpg "10 Signs Your 4-Stroke Engine is Getting Tired")](https://blog.pro-x.com/10-signs-4-stroke-engine-is-getting-tired) ## [10 Signs Your 4-Stroke Engine is Getting Tired](https://blog.pro-x.com/10-signs-4-stroke-engine-is-getting-tired) *Many engine failures can be potentially prevented by knowing what signs to look for when maintaing your 4-stroke. We put together 10 tips to help you know when your engine may..* [READ MORE](https://blog.pro-x.com/10-signs-4-stroke-engine-is-getting-tired) April 18, 2019  /  By [Paul Olesen](https://blog.pro-x.com/author/paul-olesen) [![How to Install Valves in a 4-Stroke Dirt Bike](https://blog.pro-x.com/hs-fs/hubfs/remove_keepers_with_magnet-ps.jpg?width=400&name=remove_keepers_with_magnet-ps.jpg "How to Install Valves in a 4-Stroke Dirt Bike")](https://blog.pro-x.com/how-to-install-valves-4-stroke-dirt-bike) ,[Powersports](https://blog.pro-x.com/topic/powersports) ,[Tech](https://blog.pro-x.com/topic/tech) ## [How to Install Valves in a 4-Stroke Dirt Bike](https://blog.pro-x.com/how-to-install-valves-4-stroke-dirt-bike) *Four-stroke dirt bikes have evolved over the years, and are immensely popular among riders and racers alike. While they have a lot of power and are a blast to ride, valvetrain..* [READ MORE](https://blog.pro-x.com/how-to-install-valves-4-stroke-dirt-bike) April 11, 2019  /  By [Paul Olesen](https://blog.pro-x.com/author/paul-olesen) [All posts](https://blog.pro-x.com/all) [Next \[fa icon="angle-double-right"\]](https://blog.pro-x.com/author/paul-olesen/page/2) ### NEVER MISS A POST #### FOLLOW US - - - - ### MOST POPULAR [featured](https://blog.pro-x.com/topic/featured) [Powersports](https://blog.pro-x.com/topic/powersports) [Tech](https://blog.pro-x.com/topic/tech) [How To Adjust and Replace Your Motorcycle's Throttle Cable](https://blog.pro-x.com/how-to-adjust-and-replace-your-motorcycles-throttle-cable) [featured](https://blog.pro-x.com/topic/featured) [Powersports](https://blog.pro-x.com/topic/powersports) [Tech](https://blog.pro-x.com/topic/tech) [Maintenance](https://blog.pro-x.com/topic/maintenance) [How-To](https://blog.pro-x.com/topic/how-to) [How To Make Carburetor Jetting Adjustments on your Dirt Bike or ATV](https://blog.pro-x.com/how-to-make-carburetor-jetting-adjustments-on-your-dirt-bike) [featured](https://blog.pro-x.com/topic/featured) [Powersports](https://blog.pro-x.com/topic/powersports) [Tech](https://blog.pro-x.com/topic/tech) [Maintenance](https://blog.pro-x.com/topic/maintenance) [How-To](https://blog.pro-x.com/topic/how-to) [Checking and Adjusting Valves on Your Shim-Under-Bucket Style Motorcycle](https://blog.pro-x.com/checking-and-adjusting-valves-on-your-shim-under-bucket-motorcycle) [featured](https://blog.pro-x.com/topic/featured) [Powersports](https://blog.pro-x.com/topic/powersports) [Tech](https://blog.pro-x.com/topic/tech) [Maintenance](https://blog.pro-x.com/topic/maintenance) [How-To](https://blog.pro-x.com/topic/how-to) [12 Tips to Help Keep Your 2-Stroke Running Strong](https://blog.pro-x.com/12-tips-to-keep-your-2-stroke-running) [featured](https://blog.pro-x.com/topic/featured) [Powersports](https://blog.pro-x.com/topic/powersports) [Maintenance](https://blog.pro-x.com/topic/maintenance) [How-To](https://blog.pro-x.com/topic/how-to) [Step-by-Step Guide to Replacing Fork Seals in your Dirt Bike](https://blog.pro-x.com/step-by-step-guide-to-replacing-fork-seals-in-your-dirt-bike) ### MOST POPULAR [![IM-youtube-ad.jpg](https://blog.pro-x.com/hs-fs/hubfs/Images/Blog/Innovate/IM-youtube-ad.jpg?width=800&name=IM-youtube-ad.jpg "IM-youtube-ad.jpg")](https://www.youtube.com/user/innovatemotorsports) © ProX Racing Parts. 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