O.S. Engine Max-R21 Nitro Onroad Engine Set

Description:

This is O.S. Engine Max-R21 Nitro Onroad Engine Set. Club racers rejoice! The R21 engine 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. Best of all, they can be upgraded with O.S. Speed parts when you want to step up to Spec-class competition. High performance. Low price. That’s what you can expect from the R21, only from O.S.

Feature:

• For: 1/8 RC Onroad
• Material: Metal
• Color: Blue / Silver
• The perfect power plant for rookies and club racers!
• 8.5 mm carb reducer
• RP7 Turbo glow plug
• Dust cap set

Specification:

• Displacement: 3.49cc
• Carburetor Type: 8.5mm Slide
• Material: Aluminum
• Adjustment Needles: 3
• Glowplug Type: Turbo
• Exhaust Position: Rear
• Fuel Type: 25% (Recommended)
• Bore: 16.08mm
• Stroke: 17.2mm
• Pratical RPM: 4,000-44,000
• Output: 2.71hp @ 32,000 RPM
• Weight: 350g

Include:

• O.S. Engine Max-R21 Nitro Onroad Engine (1 set)