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125CC SEMI AUTO ENGINE FOR COOLSTER XR-125 PIT DIRT BIKE EN33

125CC SEMI AUTO ENGINE FOR COOLSTER XR-125 PIT DIRT BIKE EN33
Item# EN33
$440.00

Product Description

Brand New 125CC SEMI AUTO ENGINE 


International customers are responsible for tax/duty fee, shipping fee is not refundable once shipment leave our facility


*We carry matching wiring harness, contact us if you need to purchase one

*Wiring diagram is also available


Single cylinder, 4-stroke, 2 valves, OHC racing head, air cooled, 125cc 
Bore x Stroke: 54mm x 54mm, this is a 'square' engine for best balance between power and torque




  • Dimension: 17"X11"X9"


  • Displacement: 123.7cc

  • Compression Ratio: 9.47:1 

  • Ignition: CDI, 12 volt, permanent magnetic stator

  • Maximum Power: 8.5 Kw DIN @ 9,500 rpm 

  • Rated Power: 6.5 Kw @ 7,500 rpm

  • Torque: at least 8.8 Nm @ 5,500 rpm 

  • Gears: 4-speed, SEMI AUTO, 4 up Pattern.

  • Gear Ratios: 1st 2.833:1, 2nd 1.706:1, 3rd 1.238:1, 4th 0.958:1

  • Final Drive: 14 teeth #420 front sprocket included (we carry other sprockets also!!)

Fuel: Unleaded


Picture for bolt hole spacing reference only


Package Contains:

Buyer will receive 125CC Motor, Intake manifold, intake gaskets, Shifter, Kick Starter and side cover.