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New BT Sport Complete 80cc Motorized Bicycle Engine Kit - 44 Tooth

New BT Sport Complete 80cc Motorized Bicycle Engine Kit - 44 Tooth

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$199.99 $179.99
(You save $20.00)
SKU:
ENGBT-80SPCES44
Weight:
28.00 LBS

Check out our brand new BT80 Sport 80cc 2-stroke complete engine kit. This engine kit features a single piece cylinder with open transfer ports, silver metallic enamel coating, and great performance. More details below!

BT Sport Complete 80cc Motorized Bicycle Engine Kit Includes:

  • 80cc BT engine (69.4cc actual)
  • 3 HP – Average Power
  • Bore and Stroke: 47mm x 38mm
  • Low wrist pin piston with short connecting rod
  • Open Transfer Port Single piece cylinder
  • Standard 40mm Exhaust Port
  • Standard NT racing carburetor
  • Chrome muffler - with heat shield and clamps and premium exhaust gasket
  • Standard CDI and spark plug
  • 2 Liter Black Teardrop Fuel tank – with mounting hardware, fuel cap, fuel valve, inline fuel filter, and fuel line
  • Twist throttle with kill switch - with matching left grip and gooseneck style throttle cable
  • Quick release push button clutch lever - with clutch cable
  • 44 tooth rear drive sprocket – with standard rear wheel installation kit
  • 415 Heavy duty chain, chain guard, and ball bearing chain tensioner
  • Large front mount for bicycles that have large down tubes

Recommended Break In Procedures

  1. Add only professional synthetic 2 stroke oil

  2. The ratio of mixing engine oil and gas fuel must be correct
    0-200km: 16:1
    200-500km: 18:1
    ≥500km:20:1

    You have to check the color of the electrode of spark plug to make sure the mixture ratio of engine oil and gas fuel are proper. If the electrode has black color, it means there is too much engine oil and you should decrease its mixture ratio. If the electrode has off-white color, it means the engine oil is not sufficient and you should increase its mixture ratio.

  3. Break-in period is 500km or approximately 315 miles.

    Take it slow to start! You don’t want to ruin your brand-new engine! While in the break in period NEVER go over ½ throttle.

    Give it a break… In order to avoid over-heating don’t run for more than 30 minutes at a time and allow the engine time to cool off before starting up again.

    • Never exceed half throttle on the engine while in the break in period.
    • Use engine maximum 30 minutes per session.

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