O.S. Speed .21 VZ-B V-Spec II 08/09 Worlds Edition Competition Buggy Engine [OSM13911]

O.S. Speed .21 VZ-B V-Spec II 08/09 Worlds Edition Competition Buggy Engine
[OSM13911]

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This is the O.S.Speed .21 VZ-B V-Spec II 08/09 Worlds Edition Off-Road Competition Buggy Engine. Now the O.S.Speed .21 VZ-B V-Spec II features a V-shaped machined head for a lighter weight and cooler run. The new red anodized carb inserts provide for better fuel mileage. Racers will continue to appreciate the hardened, chrome plated, 4-port cylinder and liner for high durability and long life. The slide valve carburetor allows tuning to specific track conditions while the low-end needle adjusts from side to side for maximum adjustment ease.

One of the strong incentives for Atsushi Hara to win the World Championships was the overall performance the new Speed 21VZ-B V-SPEC II offered. Output characteristics backed by advanced technology, stable response over the entire speed range and superior fuel economy are the reasons many top drivers around the world choose the O.S.Speed 21VZ-B V-SPEC II engine. A significant modification has been made to the cooling head in the form of 18 machined holes which not only improve the cooling but lower the weight approximately 14g as well.

Features

18 machined holes in the cooling head are the secret for lighter weight and more efficient cooling
7mm, 6.5mm and 6mm carburetor restrictors with Red anodized finish are supplied with the engine as standard equipment.
O.S. Speed 21VZ-B V-SPEC II was driver Atsushi Hara’s choice as the best engine to win the World Championships.

Specifications:
Displacement: 3.46cc(0.211cu.in)
Bore: 16.6mm(0.653in.)
Stroke: 16.0mm(0.582in.)
Output: 2.5 hp @ 34,000r.p.m.
Practical RPM Range: 3,000-40,000r.p.m.

Current Reviews: 28

This product was added to our catalog on Thursday, January 22, 2009.

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