TKR1710 BLOK 21aP .21 OS Speed Spec 2 - FREE Automated Oil Bath Run In !!


Oil Bath Process - Read more and see the machines in action here


See the engine in action here -


Product Description

Manufactured to the highest standards of precision in Japan, the BLOK 21aM engine provides the smooth power and extended fuel mileage required by 1/8th scale offroad buggies. Features include a long stroke piston and sleeve design, DLC coated crankshaft, three needle carburetor and efficient cooling head. The specially designed M carburetor produces extended run time and smoother power band and comes with 6 and 6.5mm venturi.

Detailed Specs
Displacement: 3.49 cc/ 0.213
Bore: 16.27 mm / 0.641 in
Stroke: 16.8 mm / 0.661 in
Output: 2.55 ps / 2.59 hp @33,000 r.p.m
Practical R.P.M: 4,000~40,000 r.p.m
Weight: 362 g / 12.77 oz.
Availability: Mid-March

Recommended Exhaust Pipe
OS 2090 or OS 2060 (easier to drive, less mileage).

Recommended Glow Plug

BLOK 21aM .21 OS Speed SPEC 2 - OIL BATH RUN IN !

SKU: TKR1710
£419.00 Regular Price
£379.00Sale Price