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engine kit
engine kit
Supplier Info
[China Supplier]
Contact Person : Ms. ye Janey
Tel : 0086-579-82312296
Fax : 0086-579-82312296
Product Detail
bicycle engine kit


Two Stroke Center-install Bicycle Engines

 Engine ZM50-P(4stroke) ZM60-P(F60)2 stroke ZM70-P(F80)2 stroke

 one cylinder, air cooled 

 Bore*Stroke 40*38mm 45*38mm 47*38mm
 Displacement 48cc 61cc 66cc
 Rated Power 1.6HP/5000r/m2.7HP/5000r/m 3HP/5000r/m
 Max power 3HP/6000r/m 5HP/6000r/m 6HP/6000r/m



 Pedal Start

 Clutch Type

 Rub Bloc Drying

 Compression Ratio




 Ratio f fuel and oil

 16:1 at the beginning; 20:1 after 500km running

 Spark Plug Z4C 14mm
 Oil Consumption 1.5L/100km 2L/100km 2.5/100km
 Max Speed 30km/h 35km/h 38km/h
1. As for the 80cc, in fact there is no such cc bicycle engine in china market, we called our 47*38(bore*stroke) engine F80 before ,but now we correct it, because its displacement is only 66cc(from EPA test report).
2. How to caculate the engine capacity. The fomula is listed below.
    The volume of a cylinder=(bore area)x stroke
    Bore area= Bore x Bore x pi / 4. (pi has a value of 3.14159)
    Take our ZM70-P for example, its bore is 4.7cm(47mm), its stroke 3.8cm(38mm)
3. We have rear mounted hand start engine, but not showed here.

engine kit

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