The MySpeedParts garage
Guides, builds and race-day know-how.
Buying guides, maintenance tips, and racing know-how from the MySpeedParts team.
drag racing
What Is a Drag Race? The History of Drag Racing, from Dry Lakebeds to Malaysian Kapchai Culture
A drag race is deceptively simple — two vehicles, a straight line, first to the finish. Here's how it started, how it became a real sport, and how it grew into Malaysia's kapchai racing culture.
6 Sept 2026 · 4 min read
top speed
How to Achieve a Higher Top Speed: Gearing, Aerodynamics, and Engine Tuning Explained
Top speed isn't just about horsepower — it's where engine power, final gearing, and aerodynamic drag all balance out. Here's what actually moves the needle, and what doesn't.
6 Sept 2026 · 4 min read
throttle body
Throttle Body (Fuel Injection) vs Carburetor: How Each Works, and Which Is Actually Better
FI vs carb isn't just old vs new — the two systems measure and deliver fuel completely differently. Here's exactly how each works, and where each one genuinely has the edge.
6 Sept 2026 · 4 min read
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
CVT
CVT Pulley Ramp Angle Tuning: What Changing the "Degree" Actually Does
Swapping your CVT variator to a different ramp angle (degree) changes when the belt shifts — here's how ramp angle actually works, and the real trade-off between acceleration and top speed.
6 Sept 2026 · 4 min read
engine
Engine Cylinder Count Explained: Single, Twin, Triple, Four — Is More Always Better?
Single-cylinder Y15ZR, parallel-twin R25, four-cylinder CBR250RR... does cylinder count actually mean a better bike? Here's what changes with more cylinders, and why more isn't automatically best.
5 Sept 2026 · 5 min read
transmission
Transmission Tutorial: CVT vs Manual Clutch vs Centrifugal Clutch — What's the Difference and How Each Works
CVT, wet multi-plate manual clutch, centrifugal clutch — every Malaysian bike uses one of these, and they behave completely differently. Here's exactly how each works and which bikes use what.
5 Sept 2026 · 6 min read
DIY
DIY Exhaust Tutorial: How to Calculate Exhaust Pipe Specs for Modification Without a Dyno
No dyno? No problem. A practical, formula-based method to size header pipe diameter and length for your engine build, plus how to verify your calculations on the road using plug reads and EGT.
5 Sept 2026 · 5 min read