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Lifan 125cc Semi Auto Engine Kick Start Motor For Pit Dirt Trail Bike Honda Postie Bikes

Lifan 125cc Semi Auto Engine Kick Start Motor For Pit Dirt Trail Bike Honda Postie Bikes


Regular price $310.61
Regular price $349.00 Sale price $310.61
11% off Sold out
$310.61 - $355.11
Tax included. Shipping calculated at checkout.


  • 125cc Semi Auto Kick Start LIFAN Engine For Honda CT110 CT90 Postie Bikes
  • Brand new Lifan Semi Auto engine - kick start, 4 UP gear pattern
  • For Honda XR50 CRF50 Z50 Z50R Monkey Bike
  • Also fit most of Chinese 50CC 70CC 90CC 110CC 125CC Dirt/Pit/MX Bikes such as Thumpstar, Pitpro, Atomik, DHZ and etc

Engine specifications:

  • Single cylinder, 4-stroke, 2 valves, air cooled, 125cc
  • Bore x Stroke: 52.4mm x 55.5mm.
  • Displacement: 123.7cc
  • Compression Ratio: 9.0:1
  • Ignition: CDI, 12 volt, permanent magnetic stator
  • Maximum Power: 8.5 Kw DIN 9500 rpm
  • Rated Power: 6.5 Kw 7500 rpm
  • Torque: at least 8.8 Nm 5500 rpm
  • Gears: 4-speed, semi auto clutch, 4 up pattern
  • Gear Ratios: 1st 2.833:1, 2nd 1.706:1, 3rd 1.238:1, 4th 0.958:1
  • Final Drive: 15T 428
  • Lubrication: 900ml, 20W/50 4-stroke motorcycle oil, pressure and splash
  • Fuel: Unleaded
  • Engine Mounts: 8mm
  • Dimension: 470 x 275 x 280mm
  • Weight: 22kg

Package include:

  • 1 x LIFAN 125CC 1P54FMI ENGINE
  • 1 x Kick Starter Lever
  • 1 x Gear Shift Lever
  • 1 x Manifold set Package
  • 1 x set of wiring harness, kill switch, CDI, coil (option only)
  • 1 x PZ22 carby (option only)
  • 1 x 38mm pod filter black or red depends on stock availability (option only)

Important notes:

  • Important: This engine will be a straight bolts on replacement for most postie bikes, however, for certain year model a rear bracket may needed to be made to make it fit
  • Please check the measurement and sizes on the images provided before purchase
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Customer Reviews

Based on 3 reviews
David Malinaric
Happy customer

TDRMOTO had a good price and were incredibly quick to dispatch my 125cc Lifan engine. it was well packaged and arrived fast.
I haven't started he motor yet, but it looks great. The Chinese-Honda motors have gotten better over the years. The castings and machining all look to be good quality.

Jason Purcell
Simple transition and prompt

Easy and item delivered in two days
Amazing service 10/10

Awesome engine

Bought it and fitted into my postie bike. Awesome engine and has been serving me well as a daily.

Thanks for the review <3