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Werks Team Line B7 Pro .21 7-Port Comp Off-Road Engine

Werks Racing Team Line .21 Off-Road Pro 7 Racing Engine non-pull start with SG Crankshaft.

Hailed as fastest engine at the pro-series finals in Rockford IL. Now you can get your hands on it too.

Recommended for larger circuits where horsepower and RPM are critical The Brand New B7PRO Features a new crankcase and crankshaft design along with a long stroke piston/sleeve and turbo combustion chamber. The inlet has been lightened and ramped with epoxy filler. The new 2-stage carburetor with a smaller 9mm slide improves air velocity just below the venturi insert. More torque, more mid range, more top end, without more fuel consumption! All components are hand matched at the factory for the tightest possible tolerances guaranteeing the best possible performance.

Highlights

Tighter tolerances between the case/sleeve fit with a new Stiffer Case Design
Increased compression with lighter Piston/Sleeve
Improved 2 needle Carburetor design with a fixed mid-range and idle mounted on the top to eliminate exhaust in the eyes.
Improved drivability and quicker response to throttle inputs with reduced slide diameter.
Lightened long stroke crankshaft with epoxy stuffed induction ramp and tungsten balancing weights.

Engine Specs

Displacement	3.4cc
Max RPM	38,000RPM
Stroke	16.3mm
Bore	16.48mm
Ports	7
Sleeve
Crankshaft Diameter	14.2mm
Exhaust
Carburetor Diameter	14mm
Carburetor Material
Weight	230g
Glow Plug Type