Ninja JX21-B07 Off-Road Buggy 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.
Carburetor settings. The carburetor is preset from the factory to begin the break-in process. Once the break-in process is complete the follow setting are recommended for race tune. We recommend a high quality 25%-30% Nitro fuel such as Flash Point race blend fuel.
- • LSN .3mm in from flush.
- • MSN flush - .1mm in from flush.
- • HSN 1.30mm in from flush.
.50mm idle gap.
