HPI Racing Savage X 4.6 117107 Exploded View
![HPI Racing Savage X 4.6 117107 Race Kit manual cover](/images/ORuCqVuLkoYRIARePKMvPcjh/thumbs/thumb175x175.webp)
To break in the engine, start by running the vehicle at a rich setting for the first few tanks of fuel. Avoid full throttle and maintain the engine at a moderate speed to ensure proper lubrication and seating of engine components. Gradually lean out the fuel mixture as you progress through the break-in process.
Regular maintenance includes cleaning the air filter after every run, checking for loose screws, and inspecting the drivetrain components for wear. Perform a thorough cleaning and inspection after every 10 runs and replace any worn or damaged parts.
If experiencing starting issues, check the glow plug to ensure it's functional, verify the fuel line for blockages, and ensure the carburetor is set to the factory settings. Also, inspect the pull starter for wear or damage.
Check the engine tuning; a lean fuel mixture can cause overheating. Ensure there is adequate airflow around the engine, and consider using a fuel with a higher nitromethane content if you are running in a hot environment.
Adjust the shock oil weight, spring tension, and ride height based on the terrain. Softer springs and lighter oil are ideal for rough surfaces, while stiffer springs and heavier oil suit smooth tracks. Use the adjustable shock tower positions to fine-tune handling.
Remove the body shell and use compressed air or a soft brush to remove dirt and debris. Clean the chassis with a damp cloth and mild detergent if necessary. Avoid using water on the electronics and engine components.
To replace the glow plug, remove the glow plug wire, use a glow plug wrench to unscrew the old plug, and replace it with a new one. Ensure the new glow plug is properly tightened and reconnect the glow plug wire.
Signs of clutch wear include slipping during acceleration, difficulty in maintaining consistent speeds, and unusual noises from the clutch area. Inspect the clutch shoes and springs for wear and replace them if necessary.
Ensure the engine is properly tuned, as a rich mixture can increase fuel consumption. Regularly clean the air filter and maintain proper tire pressure to reduce resistance. Consider using a fuel with a lower nitromethane content for better efficiency.
Clean the vehicle thoroughly, remove any fuel from the tank, and apply after-run oil to the engine. Store the vehicle in a cool, dry place, and disconnect the battery to prevent discharge. Regularly rotate the wheels to avoid flat spots on the tires.