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

Item No.
OS Engines - OSMG2053
5
$401.10
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Product $401.10
Add Ons
Estimated Total: $401.10
Estimated Total: $401.10
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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
  • High performance crankshaft has silicone filled intake passage and Tungsten counterweights
  • Lightening holes in cylinder head reduce overall weight
  • 22B2 single needle slide valve carburetor
  • ABC piston and liner construction "A"luminum piston fitted to a "B"rass cylinder liner that is "C"hrome plated
  • Optimized power band

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)

Compatibility

No results for your given fitment filters

Product Details

icon-box
In The Box
  • (1) O.S. 21XZ-B V2 Off-Road Engine with 22B2 Carburetor
  • Exhaust Gasket
  • P3 Turbo Ultra Hot Glow Plug
  • Yellow 7mm Carb Reducer
  • (2) Dust caps
  • Product manual
icon-how-to
Needed to Complete
  • Fuel: 10-30% nitro content, 20% recommended for break-in
  • Exhaust System: Depending on vehicle
  • Glow starter, fuel tubing and track equipment
21XZ-B V2 ABC VII 1/8 Offroad .21 Buggy Engine