OS Engines MAX-R21 .21 Size Engine, 1/8 On Road Club Spec 1B900
Sale
$379.00
Regular price$449.00
This item is available for BACKORDER.
O.S.Engine Nitro Motor
Club racers rejoice! The R21 is based on the Championship heritage of the R2102 engine and delivers an unbeatable blend of power and value for 1/8 on-road racing. Its crankshaft and piston/liner are designed with premium performance and easy maintenance in mind, which makes it an ideal choice for beginners. This engine is upgradeable with high-performance O.S. Speed parts, letting you realize your full winning potential. High performance. Low price. That's what you can expect from the R21, only from O.S.
Features:
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.
8.5 mm carb reducer.
Speed flywheel collet.
Exhaust seal ring.
Dust cap set.
Specs:
Weight: 340g
Displacement: 3.49cc
Bore: 16.08mm
Stroke: 17.20mm
Power Output: 2.71 hp @ 32,000 RPM
Practical RPM Range: 4000~44000
Includes: RP7 Turbo glow plug, exhaust seal ring, 8.5 mm carb reducer, dust cap set
Requires: Glow fuel, glow igniter, fuel filter, fuel bottle, starter and T-2080SC Tuned Pipe Set
