
#OS1FH01 - O.S. Speed B21 Adam Drake 4 Off-Road /T2090 Combo
Fast Delivery
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For UK Mainland England, Wales, Scotland (Excluding Highlands) & IOW, DPD Delivery is Free on orders over £100*
Description
O.S. Engines would like to introduce new O.S.SPEED B21 ADAM DRAKE 4. The latest collaboration engine with world famous O.S. Team driver Adam Drake.
The cylinder liner, crankshaft & cooling head has been redesigned to Adam Drake’s spec for better balance, more torque and more power for better driving performance.
Main changes (compared to AD3):
- Cylinder liner: Revised port-design for more torque.
- Crankshaft: Inner diameter has changed for better low to mid end power.
- Combustion chamber: Redesigned for more torque
- Outer head: Extra fin for better cooling, reduced weight, lower center gravity for better balance and new laser design with double anodized colors.
First deliveries are expected in December 2025.
Specs:
- Displacement: 3.49cc
- Bore: 16.4mm
- Stroke: 16.55mm
- Output: 2.65ps / 2.61hp @ 34.000RPM
- Practical RPM range: 4.000-42.000
- Engine Weight: 352g
Included:
- T2090 Exhaust Set: TB02 EFRA2089 Pipe & MB01-75 manifolder
- Glowplug: O.S.SPEED P3
- Reducers: 6II (blue) AL2 & 8mm (blue) AL
- Exhaust seal ring
- Dust cap set: 3/16/18mm
Specification
Brand > Models | O.S |
|---|---|
Is Nitro | Yes |
Nitro Type | ENGINES |
