HPI Racing Savage X 4.6 160100 Exploded View
![HPI Racing Savage X 4.6 160100 Race Kit manual cover](/images/uiJSdthBYWwmlmWvfTdZyotf/thumbs/thumb175x175.webp)
To break in the engine, start by using a rich fuel mixture, allowing the engine to run at idle for several tanks. Gradually increase throttle in short bursts while avoiding prolonged full throttle until the break-in process is complete.
Regular maintenance includes cleaning the air filter, checking and tightening screws, inspecting the fuel lines for leaks, and ensuring the drivetrain components are lubricated and in good condition.
If the engine won't start, check the glow plug and replace if necessary, ensure the fuel is reaching the carburetor, and verify the batteries in the starter are fully charged.
Ensure the cooling fins are clean and unobstructed, check the fuel mixture is not too lean, and confirm the engine tuning is correct. Allow the engine to cool between runs.
Adjust the high-speed needle for optimal top-end performance, and the low-speed needle for smooth acceleration. Fine-tune the idle screw to maintain a steady idle without stalling.
Use compressed air to remove debris, clean the chassis with a damp cloth, and avoid water contact with electronic components. Ensure the vehicle is completely dry before storing.
Adjust the suspension settings by changing shock oil weight, spring tension, and camber angles. Upgrading to high-performance tires can also enhance grip and handling.
Use high-quality nitro fuel with a 20-25% nitromethane content for optimal performance and engine longevity. Always follow the manufacturer's recommendations.
To replace the glow plug, remove the body shell, use a glow plug wrench to unscrew the old plug, and carefully install a new one, ensuring it is snug but not over-tightened.
Check for a clogged air filter, ensure the fuel mixture is not too rich, inspect the clutch for wear, and verify that the carburetor settings are properly adjusted.