O.S SPEED 21XZ-B TY 110% is released to comemorate Ty Tessman's winning in ROAR NATS TRUGGY in the year of 2017, and designed to optimise performance in race. Dedicated to be economical and low center of gravity.

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
• M2005SC 90mm Manifold is included
• T-2090SC Tuned Silencer is included

SPECIFICATIONS:
Displacement 3.49cc
Bore: 16.27mm
Stroke: 16.8mm
Practical RPM: 4,000~42,000r.p.m.
Power Output: 2.65ps/2.61hp/34,000rpm.
Weight: 353g