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Model: 1P54FMI
Type: Single cylinder, 4-stroke with air-cooled, and clutch operated by hand
Bore×Stroke: 52.4×55.5 mm
Displacement: 119.7 ml
Compression Ratio: 9.0:1
Max Power: 6.5 kW/7500r/min±375r/min
Rated Power: 5.6 kW/7500r/min±375r/min
Max Torque: 8.0 Nm/5000r/min±250r/min
Idle Speed: 1500r/min±100r/min
Min Fuel Consumption: ≤367g/kw.h
Ignition System: CDI
Start Mode: Kick-starter
Spark Plug: A7TC
Clutch: Wet multi-plate
Transmission: 4-speed, Manual clutch,4 Up
Carburetor Type: PZ16J
Primary Reduction Ratio:3.722
Gear Ratio:2.833/1.706/1.238/0.958
Lubricant Capacity: 900 ml
Lubricant: SAE15W/40-SE, 4-stroke gasoline engine oil
Engine Dimensions: 470×275×280 mm
Fitment:
Fit for HONDA CRF50 / CRF70 / XR50 / XR70 / Z50 / Z50R / CT70 Mini Trail / Z50 / Minitrail Monkey / XL70 ST70 / QA50 / QR50 / CL70 / SL70 / 70 Passport / ST 90K2 / ST 90K1 / CS 90 / SL 90 / ZB 50 /
Package Included:
1x125CC 1P54FMI ENGINE
1x Kick Starter Lever
1x Gear Shift Lever
1x Carburetor
1x Intake Manifold
1x Wiring Harness
1x CDI
1x Ignition Coil
2x Intake Gaskets
Operation Instruction
1.Inspect the oil level with dipstick. If the oil level is below the lower mark, fill the oil to the upper mark.
2. Never load the engine until it is warmed up for 1～3 minutes.
3.Breaking-in period is vital for the engine. Never open the throttle completely, and keep changing speed during the first 1000-km. The engine oil must be changed at least once every 300 km’s drive during the breaking-in period. After running of 350 km, the engine should be maintained to make compensation for the initial wear. For further details, refer to Owner’s Manual of Motorcycle.
John D
Reviewed in the United States on February 2, 2025
Pretty good engine, 1 problem on these Chinese engines is that they won’t start if the clutch is engaged. It took a while to find this out but when I did started right up and works great also the shift pattern is:1-n-2-3-4.
Kevin Sinnett
Reviewed in the United States on March 19, 2024
Engine runs well, starts easy, after 200yds of slow riding it now smokes badly, another short ride down the street and it still smokes. drips oil from exhaust port.Would like an answer from seller.
Kham
Reviewed in the United States on March 14, 2024
Bought the engine mounted it hooked up all the wiring put oil in it kicked it and their was no compression I took off the clutch cover and the magneto would get stuck I took off the magneto and the inside was all types of beat up then I watched the rod that turns the magneto when I kicked it and it was bent I opened up the engine and their was gear teath absolutely sheared coming off the kick
brandi lunsford
Reviewed in the United States on February 3, 2024
Bought this to replace a tired wore out z50 engine. (I’m restoring) Bolted write up, started on 3rd kick. Runs beautifully. Brought out the kid in me once again. Has plenty of power, I can be in 4th gear and roll on the gas and wheelie down the road. Great value, big upgrade from what I had. Just purchased a second one the other day for a crf70 build. Can’t wait to get started.
James
Reviewed in the United States on January 14, 2023
Looked in the comments as for the wiring. Everything fit sound except the carb intake, sits to the side an my frame was in the way on the z20. Had to use old intake. Started first kick, carb needed a little tunning after. Clutch seems smooth. The shifter is way too long.Especially if this is for a kid. Had to change the gearing front sprocket down to a 14T might even need a 13 T. Remember y’all there’s no oil in the bike. Besides that 2 weeks later bikes still running good.
Bob W.
Reviewed in the United States on September 15, 2022
The media could not be loaded.
Duckybrand
Reviewed in the United States on July 28, 2021
Only complaint is lack of installation and wiring instructions. Feels like a much larger motor, has plenty of power and speed with a factory Honda atc rear end
Eddie
Reviewed in the United States on February 22, 2020
Started right up. It comes with oil already installed but I recommend replacing it with an oil you can trust. It's as close to a Honda as you can get. Based on reviews, it should perform and last a while. I'm using it on a Honda S65. It bolts right up. I have to convert the bike to 12 volts but not an issue. Purchased an additional harness to accommodate the wiring. Have a kill or ignition switch installed before you start this engine! It will let off some smoke as it heats up and burns off surface oil that might be left on it. The carburetor idled high out the box and needs adjustment but if you're using this engine, you should know how to do this.
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