125cc 4-Stroke Engine Kit with Manual Clutch for CRF50 XR50 Z50R

A 125cc 4-stroke replacement engine kit with a 4-speed manual clutch for mini trail and pit bikes.

Key Features

• 4-speed manual clutch transmission
• Kick start with CDI ignition
• Comes with carburetor, CDI, intake manifold and levers
• Dipstick oil port helps prevent leaks
• Shockproof mounting holes reduce vibration

Specifications

• Fits: CRF50, CRF70, XR50, XR70, Z50, Z50R, CT70, XL70, ST70, QA50, QR50, CL70, SL70, 70 Passport, ST90, CS90, SL90, ZB50
• Engine: single cylinder, 4-stroke
• Displacement: 125cc
• Compression ratio: 9.0:1
• Max power: 6.5 kW at 7500 rpm
• Max torque: 8.0 Nm at 5000 rpm
• Clutch: wet multi-plate, manual
• Gear ratios: 2.833 / 1.706 / 1.238 / 0.958
• Carburetor: PZ16J; spark plug: A7TC
• Oil capacity: 900 ml (30 fl oz), SAE 15W-40
• Engine size: 42.5 x 27 x 23 cm (16.7 x 10.6 x 9 in)
• Net weight: 19.2 kg (42.3 lb)
• Package: engine, kick start lever, gear shift lever, carburetor, intake manifold, CDI, sprocket cover, 3 intake gaskets, assembly screws

Note: Installation requires mechanical skill. Check local rules before road or water use.