Os Engines Max-21Xz-B Ver Ii

Features

• Performance that rivals that of the acclaimed Speed 21XZ-B Spec II
• Shares the same piston, liner and con rod as the Speed version
• Lightening holes in the cylinder head reduce overall weight
• Other enhancements include a lower CG and improved cooling
• A 22B2 single needle carb makes tuning a breeze
• Optimized power band
• Silicone filled crankshaft with tungsten counter weights
• Blue anodized head
• Incredible throttle response
• 7mm carb reducer is included

The perfect balance between price and performance.

As competition-level buggy engines go, the 21XZ-B VII is a super value! By making it lighter, lower and cooling running, it exceeds the expectations of even pro racers — delivering power comparable to the Speed Spec II at a lower price. 1/8 scale drivers looking for a performance advantage will find it with the 21XZ-B VII powerhouse!

Specs

Displacement .213 cu in (3.49 cc)

Bore .641 in (16.27 mm)

Stroke .661 in (16.8 mm)

Practical RPM 3,000-41,500

Power Output 2.7 hp @ 34,000 rpm

Weight 12.77 oz (362 g)

Includes 2282 carburetor, 6 mm and 7 mm carb restrictors, P3 glow plug, exhaust seal and dust cap set

Requires Glow fuel, muffler, tuned pipe and manifold