HPI Racing Fuelie 23cc 115900 Instruction Manual
![HPI Racing Fuelie 23cc 115900 Engine manual cover](/images/CfDfFdfoVMVDgDDfoQhYSidn/thumbs/thumb175x175.webp)
The recommended oil-to-fuel ratio for the HPI Racing Fuelie 23cc engine is 25:1. This means you should mix 25 parts of gasoline with 1 part of high-quality 2-stroke engine oil.
To break in the engine, start it and let it idle for a few tanks of fuel, gradually increasing the throttle. Avoid full throttle until the engine has had time to properly seat the piston rings.
Remove the air filter, wash it in warm soapy water, rinse thoroughly, and let it dry completely. Apply a light coat of air filter oil before reinstalling.
Check the spark plug for fouling, ensure the fuel mixture is correct, and inspect the carburetor for blockages. Also, verify that the air filter is clean.
The spark plug should be inspected after every 10 hours of use and replaced if it shows signs of wear or fouling. Regular maintenance will ensure optimal performance.
Start by setting the needle valves to the factory default settings. Then, adjust the low-speed needle for smooth idling and the high-speed needle for optimal performance at full throttle.
Ensure that there is adequate airflow around the engine, the cooling fins are clean, and the fuel mixture is correct. Avoid running the engine at full throttle for extended periods.
Check the fuel lines for leaks or blockages, ensure the air filter is clean, and adjust the carburetor as needed. It may also be necessary to replace the spark plug.
Drain the fuel tank, run the engine until it stops to remove fuel from the carburetor, clean the exterior, and store it in a dry, dust-free environment.
Signs include loss of compression, excessive smoke, and decreased performance. If these symptoms occur, inspect the piston rings and replace them if necessary.