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OS Engines O.S. SPEED R21GT2
OS Engines O.S. SPEED R21GT2
The high-performance GT engine has evolved into the next generation! Key Features Inner Head Improves Idling Performance Outer Head Has Been Made Lighter Crankshaft Uses Two Tungsten Counterweights 5 Scavenging Ports And 3 Exhaust Ports Equipped With A Double-Adjust Type 22E(B) GT Carburetor icon-boxIn The Box (1) R21GT2
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Product Specifications
Bore 0.633" (16 mm) Cylinders Single Displacement 3.49 cc / 0.213cu.in. Product Weight 362g / 12.77 oz. RPM Range 4,000-42,000 r.p.m. Stroke 17.20mm / 0.677 in. Customer ReviewsNo comments
