Beskrivning
Art.nr: 1FH00
This is the New O.S. SPEED B21 ADAM DRAKE 4 engine.
Features:
Based on OSB21
AD4 Cooling-head with extra fin for better cooling.
AD4 specific cylinder design for more torque.
AD4 DLC coated crankshaft with new modified inner diameter for better low and mid range power.
Inner head with silicon O ring for reducing vibration and preventing dust
AD specific blue restrictors.
Rear-cover with thrust plate reduces friction against the connecting rod to extend its life.
Long stroke 16.8mm engine
Ceramic Main-Bearing
Specifications:
Displacement: 3.46cc
Output: 2.68ps @ 34,000 rpm
Bore: 16.27mm
Stroke: 16.80mm
Practical RPM Range: 4,000 ~ 42,000 rpm
Weight: 352g
Includes:
T-P3 plug
6mm Venturi
8mm Venturi
Exhaust Gasket
Dust Cap Set (3mm/16mm/18mm)