HPSP RACING CRANKSHAFT Y125Z DIAMETER 93.2MM JET2.2MM JET2.5MM

HPSP crankshaft for Yamaha Y125 (125Z / 125ZR) in the new D93.2 size, offered in Jet Up 2.2MM and 2.5MM. Built for riders and tuners doing stroke-up (jet up) setups, with a 22MM crank pin hole to suit HPSP pin 22 14.

• New larger flywheel diameter D93.2MM, measured with digital caliper
• Two jet up options: 2.2MM and 2.5MM
• Long side piece comes with Sonic key slot
• Crank pin hole approx. 22MM, uses pin 22 14
• Supplied as short side and long side crank pieces

Brand

HPSP

Product

Crankshaft Y125 Saiz Baru

Model/SKU

D93.2 Jet 2.2MM / D93.2 Jet 2.5MM

Type

Stroke-up (jet up) crankshaft

Main spec

Diameter 93.2MM, pin hole approx. 22MM

Material

Not verified

Compatibility

Yamaha Y125 (125Z / 125ZR)

Jet 2.2MM: crank pin offset raised 2.2MM, total stroke increase 4.4MM (written as 2.2 + 4.4MM). Jet 2.5MM: crank pin offset raised 2.5MM, total stroke increase 5.0MM (2.5 + 5.0MM). The first value is the actual jet up gap. The second value is the total stroke gain over one full rotation, because the piston travels the extra amount going up and again going down. Both variants share the same long side design with Sonic key slot. Existing D92.8 size (pin hole approx. 22MM) is also in stock in Jet 1MM, 1.2MM, 1.4MM, 1.8MM and 2MM.

Professional installation by an experienced 2-stroke tuner is recommended. Stroke-up builds usually need matching rod, pin, bearing, block or gasket adjustments. Package: HPSP crankshaft short side and long side pieces. Connecting rod, pin and bearings not verified as included, please check with seller.

HPSP Crankshaft Y125 D93.2 in Jet Up 2.2MM and 2.5MM, with 22MM pin hole and Sonic key slot, for Yamaha Y125 stroke-up builds.