TB Parts +6mm Stroker Crank - KLX140

TB Parts +6mm Stroker Crank - KLX140TB Stroker Crankshaft, +6mm KLX140 Upgrade your KLX140 engine with the TB Parts +6mm Stroker Crankshaft. This is a high quality forged crankshaft designed to deliver major power and torque gains throughout the entire RPM range while maintaining excellent reliability. The +6mm stroke increases displacement and produces a noticeable improvement in bottom end torque and overall acceleration, making it a great upgrade for performance builds, big bore

SP Takegawa uses an approximately 40% increase over stock oil to optimize the amount of oil pumped to each engine part

Pre-set and stress relieved for long life

When your O

make an adjustment on the throttle stop screw

270mm length eye to eye

Oil injection can be done easily by increasing the oil filling port to Large

Road Racing

while the engine is disassembled

9 grade bolts with nylon locking nuts and CNC spacers to replace the weak OEM shock pins that hold it in place

INSTALL INSTRUCTIONS (PDF)

Compared to OEM

TBW0378 60mm 143cc Cylinder