MOTOR OS MAX 21XZ-B VII 1/8 TT

21XZ-B VII

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!

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

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