The MySpeedParts garage
Guides, builds and race-day know-how.
Buying guides, maintenance tips, and racing know-how from the MySpeedParts team.
crankshaft
AllMalaysianewstutorialracingnew bike launchPhilippinesThailandcomparisonelectric motorcycleHondahow it worksKawasakiMotoGPsafetyscootersuperbiketuningunderboneYamahabuying guidecrankshaftCVTexhaustkapchairecallSepangadventureaerodynamicsARRCback pressureBangkok Motor Showbrand spotlightBuriramcalculationcarburetorChang International CircuitclutchcruiserCub PrixcylindersDIYdrag racingDucatiengineEVeventexhaust tuningexpansion chamberfuel injectiongeargearingheader sizingheat rangehistoryHPSP Racingiridiumjet upKeewayKLE500LC135maintenanceMakina Moto ExpoMarshal Motomotor showmotorsportMSBKnew modelNGKno dynoPanigale V4Philippine SuperbikeR15MR2MR3racing partsramp anglerebateregulationrider profileroad taxscavengingsingle-cylinderspark plugssport bikesport touringsportbikesprocketstrokethrottle bodytop speedTracer 9 GTtransmissiontwin-cylindervariatorY15ZRZXMoto

crankshaft
What Is a "Jet Up" Crankshaft? Stroke, Displacement, and Malaysian Brand Options
"JET 4MM", "JET 8MM", "JET 10" — Malaysian racing crankshaft listings all use this naming, but what does the number mean, and what does jetting up actually change in the engine?
6 Sept 2026 · 4 min read

HPSP Racing
HPSP Racing: Introduction, Reputation & What's Hot Right Now
A look at HPSP Racing — the Malaysian underbone performance-parts brand behind those chambered exhausts and racing crankshafts all over Y15ZR and LC135 TikTok — plus where to buy genuine stock.
4 Sept 2026 · 3 min read
