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Quick Details

  • Stroke: 4 Stroke
  • Cold Style: Water-Cooled
  • Start: Electric
  • Cylinder NO.: 2 Cylinder
  • Ignition Method: CDI
  • Displacement (ml): 650CC
  • Place of Origin: Chongqing, China (Mainland)
  • Brand Name: Gaokin
  • Model Number: 650CC

Packaging & Delivery

Packaging Details Wooden case
Delivery Time 30-45 days

650CC Engine (Include CVT and Gearbox)


1.Gaokin mainly produce large displacement engine ( 300CC to 1100CC) and transmission system products(gear box, CVT, differential). Moreover, we can reserch and develop the products as per customers’ requirement, both forward-engineer and reverse-engineer.


2. Gaokin compliance TS16949, ISO9001, ISO14001, OHSAS18001 etc system certification, also bulit a complete quality operating system. Our engines after matched vehicle exhaust system reached and passed the EU IV emission certification.


3.GaoKin always follows strict and high standard to proceed any testing. Engine endurance bench testing over 300 hours,longer than most international brands; electrical start testing over 30,000 times; and whole vehicle temperature testing at -30°C.


4. GaoKin various engine types cover motorcycle, tricycle, ATV, UTV, snowmobile, new energy vehicle range-extender, electrical vehicle, water pump, generator and so on. And widely used by customers all over the world.


S/N Engine  ( not including CVT & Gearbox)Engine  Parameter(including CVT & Gearbox)
1Engine type4 stroke,two cylinder,water cooling,8 valves4 stroke,two cylinder,water cooling,8 valves
2Engine displacement650cc engine650cc engine
3Bore dia. X Stroke mm*mm82*61.582*61.5
5Max. power & RPM kW(Hp)/rpm39(53)/675039(53)/6750
6Max. torque & RPM  N.m/rpm58/575058/5750
7Min. fuel consumption g /Kw.h270270
8Min. Idling stable RPM  r/min1200±1001200±100
9Balance method  
10Electric Generator typePermanent magnet AC typePermanent magnet AC type
11Magnetor generated power W>420>420
12Engine wire harnessDelphi EFI systemDelphi EFI system
13Oil filter typePrimary filtration + refined filtrationPrimary filtration + refined filtration
14Gasoline gradeAbove 93#Above 93#
15Lubrication oil gradeAbove SG gradeAbove SG grade
16Lubrication oil total volume2.22.2+0.5
17Fuel pressure   bar33
18Lubrication typePressure + SplashPressure + Splash
19Staring methodElectric start + Manual start(Manual start is optional)Electric start + Manual start(Manual start is optional)
20CVT type Rubber belt CVT
21Belt groove face angle 28
22Speed adjusting range 2.71~0.75
23Downhill auxiliary braking yes
24Gearbox type Gear transmission
25Drive ratio from input shaft to front output shaft(high speed) 3.077
26Drive ratio from input shaft to front output shaft(Low speed) 5.292
27Drive ratio from input shaft to front output shaft(reverse) 5.451
28Output type Front & rear shafts output(4-wheel drive)
29Outline dimension (a×b×h)  mmSee drawingSee drawing
30Mounting dimensionSee drawingSee drawing
31Total N.W(Engine & Gearbox & CVT)4172
32Applied to Vehicle ATV,UTV



Engine Dimensions


650CC power or torque 


rpm650 power  Kw650  torque Nm


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