JX21-B04 NINJA .21 NITRO ENGINE
This is the Ninja JX21-B04 Off-Road Buggy Engine. The innovative JX21-B04 engine includes a new fuel efficient carburetor with 6.5mm reducer. The new carburetor provides smoother easy to drive power and increased fuel efficiency. The B04 comes with a tungsten weighted crankshaft with DLC coating. The lightweight cooling head provides exceptional cooling and stable operating temperatures.
- Ninja JX21-B04 engine.
- Easy to tune fuel efficient carburetor.
- Tungsten weighted crankshaft with DLC coating.
- P3 turbo glow plug.
- Aluminum 6.5 reducer.
- Dust cap set.
- Exhaust gasket.
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 .15mm in from flush.
- MSN .50mm in from flush.
- HSN 1.4mm - 1.5mm in from flush.
- .50mm idle gap.
i purchased this last week and had adam do the ebis breakin was on the track as soon as i recieved the engine .A few 5 min runs and some tuning on top end and was good to go .thank you adam engine runs great