Product Description
This 125cc motorcycle engine features a single-cylinder 4-stroke design, CDI ignition, kick starting, a wet multi-plate clutch, and a 4-speed manual transmission. The kit includes a carburetor, intake manifold, CDI, kick starter lever, gear shift lever, sprocket cover, intake gaskets, and assembly screws. Source-listed applications include Honda CRF50, CRF70, XR50, XR70, Z50, Z50R, CT70 Mini Trail, Mini Trail Monkey, XL70, ST70, QA50, QR50, CL70, SL70, 70 Passport, ST90K1, ST90K2, CS90, SL90, and ZB50.
Product Specifications
BrandBQDRTMZ
ManufacturerYENURIO
Item Weight45 pounds
ModelRebuild Kits0041514
Product Dimensions17.72 x 13.78 x 12.6 inches
Item model numberRebuild Kits0041514
ExteriorPolished
Manufacturer Part NumberRebuild Kits0041514
Engine typeSingle-cylinder, 4-stroke
Displacement125cc
MaterialAluminum, cast steel
Ignition systemCDI
Start modeKick starter
ClutchWet multi-plate
Transmission4-speed manual clutch
Compression ratio9.0:1
Maximum power6.5 kW at 7500 r/min ±375 r/min
Rated power5.6 kW at 7500 r/min ±375 r/min
Maximum torque8.0 Nm at 5000 r/min ±250 r/min
Idle speed1500 r/min ±100 r/min
Minimum fuel consumption≤367 g/kW·h
Spark plugA7TC
Carburetor typePZ16J
Lubricant capacity900 ml
LubricantSAE15W/40-SE 4-stroke gasoline engine oil
Engine dimensions42.5 × 27 × 23 cm
Net weight19.2 kg / 42.33 lb
Included componentsEngine, kick starter lever, gear shift lever, carburetor, intake manifold, CDI, sprocket cover, 3 intake gaskets, and assembly screws
Exterior finishPolished
Motorcycle Compatibility
| Year | Make | Model | Power / Engine | Variant |
|---|
| — | Honda | 70 Passport | Gasoline | |
| — | Honda | CL70 | Gasoline | |
| — | Honda | CRF50 | Gasoline | |
| — | Honda | CRF70 | gasoline | |
| — | Honda | CS90 | Gasoline | |
| — | Honda | CT70 Mini Trail | Gasoline | |
| — | Honda | Mini Trail Monkey | Gasoline | |
| — | Honda | QA50 | Gasoline | |
| — | Honda | QR50 | Gasoline | |
| — | Honda | SL70 | Gasoline | |
| — | Honda | SL90 | Gasoline | |
| — | Honda | ST70 | Gasoline | |
| — | Honda | ST90K1 | Gasoline | |
| — | Honda | ST90K2 | Gasoline | |
| — | Honda | XL70 | Gasoline | |
| — | Honda | XR50 | Gasoline | |
| — | Honda | XR70 | gasoline | |
| — | Honda | Z50 | Gasoline | |
| — | Honda | Z50R | Gasoline | |
| — | Honda | ZB50 | Gasoline | |
Always compare the part number, dimensions, specifications, and compatibility details with your original part before ordering.