Ninja engines

Ninja JX Series B07 engine

This is New Ninja JX21-B07 Off-Road Buggy Engine. The innovative JX21-B07 engine includes the easy to tune 21J4 carburetor with 6.5mm reducer. The carburetor provides great power that is easy to drive, provides consistent tuning, and is fuel efficient. The Ninja B07 engine has a square bore and stroke which has smoother power characteristics and improved fuel consumption. The DLC coated crankshaft is tungsten weighted. The lightweight cooling head has a lower center of gravity and provides exceptional cooling and stable operating temperatures. Also new for the Ninja B07 is the rear backplate that includes a steel thrust plate.

Included features:

Ninja JX21-B07 engine. 3-port configuration delivers great power and fuel consumption.
Square bore / stroke design provides smooth power and improved fuel consumption.
Easy to tune fuel-efficient 21J4 carburetor.
Tungsten weighted and silicone filled crankshaft with DLC coating.
Backplate with steel thrust plate.
P3 turbo glow plug.
Aluminum 6.5mm reducer.
Dust cap set.

NINJA JX21-B07

Displacement	:	0.213 cu. in. (3.49 cc)
Bore	:	0.646 in. (16.4 mm)
Stroke	:	0.646 in. (16.4 mm)
Ports	:	3
Rear Ball Bearing	:	Steel
Carb. Venturi	:	6.5mm var.
Adjustment	:	Double