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OS Engines - Item No. OSMG2053
5 out of 5 Customer Rating

21XZ-B V2 ABC VII 1/8 Offroad .21 Buggy Engine

21XZ-B V2 ABC VII 1/8 Offroad .21 Buggy Engine

The perfect balance between price and performance.

The 21XZ-B Version II delivers ideal performance at a reasonable price. It continues to exceed the expectations of even pro racers, delivering power comparable to the Speed Spec II at a lower price. Upgrades include a lightened cylinder head, improved cooling and a brand new 22B2 single-needle carb for easy tuning. If you're looking for incredible throttle response and the power to conquer off-road, you've found it in the 21XZ-B Version II.


O.S. Two Year Limited Warranty
  • Performance that rivals the Speed 21XZ-B Spec II
  • Shares the piston, liner and con rod of the Spec II
  • Easy-tune 2282 single-needle carb
  • Optimized power band
  • Silicon-filled crankshaft with tungsten counter weights
  • Low center of gravity
  • Blue anodized head
  • Incredible throttle response

Product Specs

Bore
0.641 in (16.27 mm)
Crankshaft Threads
UNF1/4-28
Crankshaft Type
Threaded
Cylinders
Single
Displacement
0.213 cu in (3.49 cc)
Part Type
Engine Parts
Plug Type
P3 Turbo Ultra Hot
Power Type
Glow
Product Height
4 in (102.1 mm)
Product Length
2.5 in (64.5 mm) from backplate to drive hub
Product Width
1.77 in (45 mm) at mounting tabs
RPM Range
4,000 - 42,000 rpm
Stroke
0.661 in (16.8 mm)
Total Weight
12.77 oz (362 g)