O.S. MAX-R21 On-Road

€291.16
EBIS
Quantity

O.S. MAX-R21 - Racing Engine

Most of the parts have been newly designed based on the O.S.SPEED R2102, which is a high-end model, to achieve both the ease of handling and the high performance required of the 21 Racing Basic Engine. An affordable price is one of the attractions.

 

The perfect power plant for rookies and club racers

Newly developed crankshaft and piston / liner with the capability to upgrade later to a spec-class performer

RP7 Turbo glow plug

8.5mm carb reducer

Exhaust seal ring

Dust cap set

Specs:

Displacement: 3.49cc

Output: 2.71hp @ 32,000r.p.m.

Bore: 16.08mm

Stroke: 17.2mm

Practical r.p.m. Range: 3.000~41.500

Weight: 350g

1B900