OSM1CC00

OS Engines R21GT Nitro On Road Engine

$529.99
In stock
up
down

This is the OS Engines R21GT Nitro On-Road Engine.

 

Features

  • Performance has improved compared to the previous O.S. SPEED 21XZ-GT
  • Refined crankcase of the R2101 which got excellent results with on-road racing
  • Cylinder / piston adopt scavenging 5 port + exhaust 3 port which cleared IFMAR regulation
You're reviewing:

OS Engines R21GT Nitro On Road Engine

Your Rating

Specs

Stroke volume
3.49cc / 0.213 cu.in.
Bore
16.08mm/0.633in.
Stroke
17.20mm/0.677in.
Output
2.65ps/2.61hp/34,000r.p.m
Practial rotation speed
4,000-42,000 r.p.m.
Weight
369g / 13.02oz