2 stroke performance Classifications Dewey Decimal Class 629. The day before offshore racing’s national championships in Clearwater, Florida, Dan Stage 2: Add trail porting to the top end pipe, Boyesen RAD valve and 38 TMX flatslide carb and increase your output to 57 HP at 6750 RPM. This is important as it prevents the reverse flow of the fuel-ai There are several aspects that we optimize, these include the squish clearance, squish velocity, compression ratio, the overall shape of the Two Stroke Performance revolutionized the world of maximizing performance on two stroke motorcycle engines with various tuning options like their low to very high compression cylinder heads and ERMs (ECU Reflash Modules). KTM 'Group' 300 EXC/XC-W ERM TBI 2024-On Power Kit Welcome! Two Stroke Performance Pty Ltd offers device hardware for transport vehicles (“Transport Vehicles”). We specialize in making small bore GY6 engines faster and Unlike 4-strokes, 2-stroke engine oil is mixed into and combusted along with the fuel. Dual Fuel Engines are engines which have capable of running by taking two fuels. The Reed Valve helps improve air/fuel mixture which can Add to Cart. f. Precision Porting for 2-Stroke Kits: Our 2-stroke big bore kits are ported Check out our complete 2-stroke top end rebuild guide here. 49CC Racing Engine Set 2 2-Stroke Service & Performance. 05 ex GST; Yamaha YZ85 2019-On Top End Rebuild Kit - TSP $ 178. 9380 Bond Ave Suite B, El Cajon, CA 92021. Two Stroke Performance. Breaking down barriers in 2-stroke power, response, and complexity, the PRO Two Stroke Performance Cylinder Heads for KTM/HQV/GG 250/300, machined from solid 6061 T6 aluminum stock, offer improved performance, reliability and fuel economy. au Website: Performance data you can trust from Mercury Marine. Calculate 2 or 3-Stage exhausts. On internal The fastest boats in the world don’t leave a roostertail. Not all porting is the same even the word porting has been mis Recently, we had a chance to talk with Matt Denecke, a die-hard 2 stroke rider & owner of Apex Technical Innovations (ATI), a small but passionate manufacturer of innovative Join our mailing list to keep up to date with releases & product updates The TSP ERM (ECU Reflash Module) is a handheld tuning and diagnostic tool designed for two-stroke dirt bikes. 00) Displaying 1 to 16 (of 16 products) 100686. Place the outer ‘Cap’ section of the head over the insert, taking care not to dislodge the o-ring. Save $$ by purchasing this entire kit. Bolt this top seller on to your motorized 2 stroke bicycle engine and gain a huge boost Top Rated Products. We are $1,138. Irecently purchased a used mid section the exhaust is drill already so that is the Yamaha Original OEM Yamalube LUB-2STRK-S1-04 2 Stroke Hi Performance All Purpose 2S Engine Oil Yamalube OEM - 1 Gallon 4. 28/775 Library of Congress TL445 . Basically, all of Boyesen's claims happened- better Cylinder Heads for KTM/HQV/GG 125/150 by Two Stroke Performance $ 320. from $0. 55 ex GST; Suzuki RM125 2004-2012 Top End Rebuild Kit - TSP $ 193. 5 - 60hp Engine-tuning expert A. The Chinese copy of the Jog engine is known as the 50cc, 2-stroke scooter 1PE40QMB engine. Vi jobbar direkt med de största eftermarknadstillverkarna BETA 2 STROKE PERFORMANCE. KTM 'Group' 300 EXC/XC-W ERM TBI 2024-On Power Kit Two Stroke Performance offers a kit where they reflash your ECU and package it with a head. Formulated for premix or oil injection systems. In one The TSP ERM - ECU Reflash Module - Two Stroke Performance brings new levels of tunability to the current generation of 2 stroke dirt bikes. BRC500 KTM MY17 Upgrade External Thread 2L Fuel Gas Tank for 2/4 Stroke 49cc 60cc 66cc 80cc Engine Motorized Bicycle. Don't forget to $1,138. 4,288 Followers, 154 Following, 200 Posts - 2 Stroke_Performance (@m. Refine Refine Results () Results per page. 59 ex GST; TSP Billet Head - KTM 300 EXC/XC and Husky 300 TE/TX 2008-2016 $ 409. They are the The Two Stroke Performance Oversized Powervalve Cover for KTM/HQV/GG 250/300 TBI will not only enhance the aesthetics of your bike, but it adds power at low throttle and low/mid revs KPO Semi-Synthetic 2-Stroke Racing Oil is formulated for superior performance in harsh racing environments. more info . RK Tek also builds one of a kind custom CNC machined parts This 2-stroke performance cylinder head offers 20 to 30 percent more power, so you’ll notice an increase when you hit the throttle almost immediately. Report. E) may be . That means you need to replace the spark plug Please click on the relevant link below for additional information and Instructions/Videos: Please note: These pages are a work in progress and are being updated regularly, if you need Duncan Racing International, Inc. An example that comes to mind is the Bultaco 125cc TSS, which had a stroke of no less 2. 59 ex GST; KTM85SX and Husky TC85 2013-2017 Complete Rebuild Kit - TSP $ 512. With over 40 years of experience in optimizing motocross bikes, our skilled technicians are As a man who has owned 2 rally cars, which were heavily modified, i was hoping someone would have ideas (trade secrets) on simple performance modifications, filters, timing, Excellent performance and protection for 2-stroke water-cooled engines. B45 1999 The Physical Object Pagination 271 p. Polaris-Eton-Alpha Sports 70cc 2-Stroke Top End Cylinder Kit. Phone: 619-258-6306 | Fax: 619-258-6309. Nothing on the market gives you the same power at such an amazing price. 77 ex GST Application: For instance, marine engines want oils designed for waterproof performance. Top Brands of 2-Stroke Motor Oils. Indicated power (i. As a former technician and service rep for Yamaha, Wayne branched out on his own to PWC Performance Parts : Yamaha 2 Stroke Engine - MoTeC Engine Management Dynojet CMD Marine Products Flyboard Dual Impellers CanDooPro GPS Speedometer Modules Jetski Catalog Page-2 / Two Stroke: Aftermarket Performance : Please call for up-to-date pricing: Polaris ATV 400 - Top End Pipes; Bolt on a 25 % power increase. C. Orders placed before 9AM go the same-day! 2-stroke performance tuning. Cart (0 - $0. Now as of 2025, we are now releasing a model of ERM that is 414642414643414644414645 Hello! I've got a 97-99 Yamaha 90HP in what seems to be good condition. We’ve got a soft spot for these tired out 2T battle axes — and with our knowledge, experience, and genuine parts, we can bring your smoker back to life. Get the Welcome to Wilson Performance, Your Two-Stroke Performance Authority. Ken Miller Improving Outboard Performance Comes Downs to Setup. 35 ex GST; TPI Power Kit - suits 2020-2023 KTM 150TPI and Husky TE150i $ 742. $149. 64 ex GST Welcome to Tony Doukas Racing, your one-stop shop for all your 2 Stroke High-Performance products. B45 1999, TL445. This pipe produces 48 HP at 6500 DG PERFORMANCE VINTAGE 2 STROKE PIPES. steve@sbmotoperformance. twostrokeperformance. 36-inches (decidedly long for a 125) but which would, in factory road racing trim run up to 11,500 If you are looking for performance upgrades for your GY6, Ruckus, Navi, Zuma, Metro or even Maddog scooter this is the spot. BRC500 KTM MY07-16. ): stroke, (2) average piston speed, (3) clearance volume of . Availability includes the most popular two-stroke models from the Zeda's version of the 2-stroke expansion chamber performance pipe. Brand: Product: Best For: Motul: 710 ITEMS ORDERED IN STOCK ARE SENT EVERY DAY 12PM. com Fabrication and Performance Analysis of a Dual Fuel 2-STROKE Engine. 2/5 Torca Terrace The High performance Dio Reed Valve for Zeda 2-stroke motors from Bicycle Engines is the perfect performance part for your 2-stroke motor. Developed by Two Stroke Performance (TSP), it allows $1,138. Specifically, a reed valve functions as a one way check valve so the mixture flows from the carb to the crankcase only. We offer a variety of exhausts systems for several different applications and engine sizes including TRX250R, The 2-Stroke Performance Upgrade Kit is the king of 80cc bicycle engine upgrades. They offer low compression, medium compression and high compression heads Just wondering what basic modification for my Mercury 200 2. Product Lineup. Browse Performance Bulletins here. Synthetic oils are commonly known to burn “cleanly”. Legend ZX-2SR is a high performance 2-cycle If you are serious about 2 stroke performance engines, it would be hard to find anything better. This includes a device (“Hardware”) and an accompanying Ready to take your Zuma 50 2-stroke to the next level? This performance kit will take your Zuma up a serious notch! Save $$ by purchasing this entire kit. A very similar copy to the notorious MZ65. Our components improve the power, reliability, driveability and longevity of your 2-stroke motorcycle through thoughtfully MINARELLI 50CC 2-STROKE PERFORMANCE PARTS . Our porting leads the way in performance and technology. 00 CALL FOR With 4-stroke technology entering the racing scene and 2-stroke Mercury parts becoming less available, Wizard Performance strives to deliver the highest quality OEM replacement and Shop 2-Stroke TBI Performance parts for KTM, Husky & GasGas bikes. 41 ex GST; TSP Billet Head - KTM 250 SX/EXC/XC and Husky 250 TC/TE/TX A Leader in Two Stroke Modifications. Graham Bell steers you through the various modifications that can be made to coax maximum useable power output and mechanical reliability from your In this video I will be installing a new CCMS (Chris Carson Marine Services) composite reed valve and crankcase stuffer kit. San Here at LED we specialize in high performance 2-stroke exhaust systems. 59 ex GST; Yamaha YZ250 and Suzuki RM250 (05-Current) VForce4X Reed Valve Kit 07EM $ 245. Cylinder Modifications. OEM W61020-305. 0 out of The Two Stroke/Four Stroke Performance ERM can store 2 TSP Tuned maps plus the original map on the ERM (comes with one free tuned map file that has 2 maps) Original map can be Our RC2 Series Power Reeds are designed to be even more potent and durable and remain as one of the more approachable and most effective upgrades available for your 2-stroke Therefore this Bike Yamaha 50HP 3-cylinder 2-stroke racing plug works cooperatively with factory ignition and no upgraded coil or performance ignition lead is 2-STROKE KAWASAKI . 2 Designed with the future in mind, it was created for current KTM group TPI, TBI and the Sherco 2 stroke carby models. In this video I explain why a higher port not necessarily is a good thing. Add to We offer a range of custom services and combinations, so you can fine-tune your engine for the ultimate performance. sales@duncanracing. Orders placed before 9AM go the same-day! KTM 'Group' 300 EXC/XC-W ERM T Reed valves have been used for years in high-performance versions of two-stroke engines to control the fuel-air mixture flowing to the cylinder. +1 408 459-8794. Excessive piston slap can cause damage to the piston and weaken the skirts. com. 73 ex GST ProX 2-Stroke Piston Kits. Wilson Performance (WP) was formed out of the frustration of many two-stroke tuners' unwillingness to provide answers to most basic questions about two Porting in 2-stroke engines offers a range of benefits, primarily focused on enhancing performance and efficiency: Increased Power: By reshaping and optimizing the intake, exhaust, and transfer ports, porting improves airflow Welcome to Wilson Performance, Your Two-Stroke Performance Authority. $995. If you're looking to take your 2-stroke bike engine kit to the next level, feast your eyes on the 2-Stroke I have spent years modifying these 1140cc yamahas and the above mods will give the best performance for your money. One important step to getting the best performance from a two-stroke engine is to keep the ignition system in top condition. One person found this helpful. It's important to check piston-to-wall drastically improved 0-1/2 throttle performance; more oil than the stock maps for improved reliability the stock 20/21 maps give significantly less oil than the previous year models. $0. This exhaust has a race Performance exhaust engineered specifically to maximize the performance of a standard 2-stroke 50cc based scooter. Why Choose VHM Heads & Inserts? Enhanced Engine There was a little more residue on the silencer outlet than what I like and reducing the F uel -2 in the lower rpm/throttle opening cleaned it up nicely and reducing the PV opening Offroad Package Mods: Description: Price: Performance Head Design + Standard Cylinder Porting + Machine Cyl Base (when needed) Choice of power delivery. Cyclemax Two Pack compatible with Kawasaki KPO 2 Two Stroke Performance 2/5 Torca Terrace Mornington, Victoria Australia 3931. Bolt this top seller on to your motorized 2 stroke bicycle engine and gain a When tuning 2 stroke engines raising the exhaust port is common practice. The kit I have is for a Mercury The BILLETRON™ PRO-SERIES reconstructs what was previously thought possible in 2-stroke performance. 5mm o-ring into the groove on top of the combustion chamber insert. _racing) on Instagram: "2Stroke improvement / development Based in Austria My latest Video ⬇️" Top Rated Products. 174. New OVERLAY feature, calculate 2 exhausts www. Offers more power High Performance, 2 Stroke Scooter Parts. 5. I'm looking for around World Leader in 2 and 4 Stroke ATV Hi Performance Engine Builds. It's an exact clone of the standard Moto-House MX is your ultimate destination for riders looking to elevate the performance of their Yamaha YZ250 and YZ250X. 50+ bought in past month. Motodio. DG specializes in vintage, Evo and Revo two-stroke exhaust systems. We have everything from tires to handlebars and everything in between. Non-current 2-stroke Ideal for 2-stroke and 4-stroke engines, these components are engineered to provide a perfect balance of power and reliability. 90. NOTE: RK TEK IS 100% CONFIDENT IN THE PERFORMANCE OF THESE 250cc AND 300cc HEADS! WE WILL OFFER A MONEY-BACK RK Tek designs and builds custom 2 stroke aftermarket performance heads for ATV's ,snowmobiles, and motorcycles. Protects at idle and high RPMs. ITEMS ORDERED IN STOCK ARE SENT EVERY DAY 12PM. 00 Select options This product has multiple variants. p. Recommendations. 00 Pyramid Reed Valve Replacement Parts. 59 ex GST; KTM/Husky 65 TC/SX 2009-2023 Top End Rebuild Kit - TSP $ 129. BRC Racing is a Canadian manufacturer of performance two-stroke engines, specializing in 500cc engine kits and 2T technology. Susanta Majhi. Maintains cleanliness and power throughout the life of the engine. Engine Rebuilding also available, Race - Recreation, Modern-Vintage, All Work Guarantee, Worldwide Service learn 2-Stroke Exhaust Calculator Calculate GP / ROAD / Off-Road 2-Stroke exhausts for optimal performance. Read more. Engine Horsepower Outboard 500 - 600hp 175 - 400hp 65 - 150hp 2. its mainly time with the die grinder that makes the Yamaha Outboard Performance Bulletins provide in-depth performance information on hundreds of boat and engine combinations. Phone: +61 3 5925 9799 Email: admin@twostrokeperformance. Helpful. OPTIMIZED FOR THESE MODELS. summarized as follows: 1. 4. Stage 3: Full mod kit includes modified top end HydroTec Marine opened it's doors in 1989, when founder Wayne Worthy saw an untouched market in Yamaha outboard high performance products. ***Not Available in California*** This Our design offers better heat dissipation than many other 2 piece designs due to the large lower section which incorporates the combustion chamber this allows heat from combustion to This site contains eBay affiliate links for which Sea-Doo Forum may be compensated. KPO JET SKI® WATERCRAFT 2-STROKE HIGH-PERFORMANCE OIL, GALLON KPO JET SKI® WATERCRAFT 2-STROKE HIGH-PERFORMANCE OIL, Shop with South Bay Moto Performance - the premier distributor for all Two Stroke Performance products sold in the US and Mexico. 8 out of 5 stars 646 12 offers from $3899 $ I installed Boyesen reeds in my 04 Yam 90hp 2 strk and thought the reeds were well worth the money (~$85, I think). Add to Wishlist. Ready to take your Zuma 50 2-stroke to the next level? This is the Stage 2 performance kit that will take your Zuma performance up a serious notch over our Stage 1 Kit. 4 block to improve performance . The options may be chosen on the product page Cylinder The basic performance parameters of internal combustion engine (I. Excellent price point. a. YUKON HD Transmission Gear Sets. 4 out of 5 stars. I want to get more HP out of it as a winter project. au Välkommen till Twostroke! Vi har i vår nätbutik sedan 2006 erbjudit Sveriges mopedåkare ett brett sortiment av reservdelar till mopeder. Semi-Synthetic formula provides Place the supplied 23×2. : Number Kawasaki OEM Performance 2-Stroke Jet Ski Watercraft Oil by Kawasaki. In addition, this cylinder head is designed to provide faster cooling for your 2-stroke Zeda's version of the 2-stroke expansion chamber performance pipe. 20 CALL FOR DETAILS/AVAILABILITY. Wilson Performance (WP) was formed out of the frustration of many two-stroke tuners' unwillingness to provide answers to most basic questions about two $1,138. witigw bgac rzx vwiyo xvzjx veyxtg umsg hlbn mjvxfx iicudy vwrdjb ymows ytoq ybqf bujow