Product Description
This TANAUT 140cc engine kit is a single-cylinder, horizontal, four-stroke engine assembly with CDI ignition and kick starting. It includes a carburetor, intake manifold, CDI, kick starter lever, gear shift lever, sprocket cover, gaskets, washer, and screws. The engine uses a 4-speed manual clutch with a 1N234 gear pattern and includes a 14T 428 sprocket. Listed compatibility includes CRF50, CRF70, XR50, XR70, Z50, Z50R, CT70 Mini Trail, XL70, ST70, QA50, QR50, CL70, SL70, 70 Passport, ST90K2, ST90K1, CS90, SL90, and ZB50 models; verify fitment before installation.
Product Specifications
BrandTANAUT
Manufacturer Part Number51260
Model4-Stroke 140cc Dirt Bike Engine Kit
Item model number140cc-4s-engine-kit
ExteriorMachined
Explicit Manufacturer Part Number51260
Explicit OE/OEM Part NumbersPrecision
Displacement140cc
Engine typeSingle-cylinder, horizontal, four-stroke
MaterialAluminium alloy and cast steel
IgnitionCDI
Start modeKick starter
Transmission4-speed manual clutch, 1N234 gear pattern
Bore x stroke54 x 59 mm (2.13 x 2.3 in)
Maximum power8 kW at 7500 ± 375 rpm
Maximum torque9.5 N·m at 5000 ± 250 rpm
Compression ratio9.0:1
Engine oil capacity900 ml (30.44 oz), 15W/40-SE, 4-stroke oil
Sprocket14T, 428, 17 mm (0.67 in)
Included componentsEngine, kick starter lever, gear shift lever, sprocket cover, washer, 2 gaskets, carburetor, CDI, intake manifold, 7 screws