HPSP RACING LC135 5 SPEED SUPER PRO RACING CRANKSHAFT COMPLETE SET JET 2.2MM 4MM 4.65MM 6MM 8MM 10MM

Complete aftermarket racing crankshaft assembly from HPSP Racing for the Yamaha LC135 5-speed (LC135-5S), the 135cc air-cooled SOHC engine. Sold complete, with multiple jet/stroke options for different build stages.

• Complete racing crankshaft assembly
• 6 jet-size options for different stroke/displacement builds
• Matched connecting rod length per jet size
• Fitment for LC135 5-speed engine cases

Brand

HPSP Racing

Product

Racing crankshaft complete set

Type

Performance stroker crankshaft assembly

Compatibility

Yamaha LC135 5-speed (LC135-5S), 135cc SOHC engine

Material

Not verified

Jet 2.2mm+4mm: dia 105mm, con rod 98mm (jet sorok) Jet 4mm+8mm: dia 103mm, con rod 96.5mm (jet sorok) Jet 4.65mm+9.3mm: dia 106mm, con rod 103mm Jet 6mm+12mm: dia 107mm, con rod 107mm Jet 8mm+16mm: dia 108mm, con rod 107mm Jet 10mm+20mm: dia 110mm, con rod 110mm Larger stroke/diameter combos raise displacement/torque potential but need a matching cylinder block, piston and case clearance work; not a bolt-on for a stock top end.

Requires full engine teardown, case clearance check and a matching cylinder block/piston kit; should be fitted by an experienced engine builder. Package includes 1x complete crankshaft per selected jet spec.

HPSP Racing complete stroker crankshaft for Yamaha LC135 5-speed, in 6 jet/stroke sizes from 2.2mm to 10mm.