5
KEY POINTS TO REMEMBER
•
Always use
NEW
batteries when first running the car. When using rechargeable batteries, always make sure to charge them fully before
installing them in the car.
•
Replace the receiver pack batteries in the car
EVERY 5-7 RUNS
.
•
Make sure that the battery connectors are plugged in correctly.
•
Before running the car, always
TURN THE TRANSMITTER RADIO ON FIRST
. Check to see that the steering and throttle work properly
before starting the engine.
•
When finished running, always
TURN THE CAR OFF FIRST
, by stopping the engine and then the power switch. To stop the engine, push
down the foam element in the air filter with your finger to stop air flow to the engine. This will cause the engine to stall.
ENGINE BREAK-IN AND TUNING
It is very important that the engine is broken-in before running.
Please read the YOKOMO 18 ENGINE INSTRUCTIONS before starting your new engine.
STARTING THE CAR FOR THE FIRST TIME
1. Switch the transmitter ON. Always switch the transmitter on first.
2. Switch the receiver ON (switch on car).
3. Check to see that the servos operate properly.
4. Check to see that the servos are centered properly (front wheels should be straight).
5. Check to see that the throttle lever on the engine is in the ‘closed’ position at nuetral.
6. Extend the transmitter antenna.
7. Familiarize yourself with the range of the radio.
8. Fill the fuel tank with a quality R/C car glow fuel.
9. Close the fuel tank lid securely after filling.
10. Attach the glow plug igniter to the glow plug.
11. Pull the recoil starter to start the engine.
To stop the engine, run the engine until it runs out of fuel, or cover the air cleaner to restrict airflow to the intake.
TROUBLESHOOTING
PROBLEM: Engine will not start
CAUSE:
SOLUTION:
No fuel in fuel tank
Fill fuel tank with fuel
Glow plug is bad
Replace glow plug
Glow plug igniter is dead
Replace battery or recharge
Engine is flooded
Remove glow plug and discharge fuel
Throttle valve not adjusted correctly
Set idle and needle valve to standard position
Servo linkage not adjusted correctly
Set servo to neutral and re-adjust
PROBLEM: Engine will start but quickly stalls
CAUSE:
SOLUTION:
No fuel in fuel tank
Fill fuel tank with fuel
Clog in fuel line, air cleaner or muffler
Clean or change clogged parts
Throttle valve not adjusted correctly
Re-adjust idle and needle valve to 2-1/2 turn out
Engine is overheated
Cool engine and open needle valve 2 to 3 clicks
PROBLEM: Bad engine reponse
CAUSE:
SOLUTION:
Throttle valve not adjusted properly
Re-adjust needle valve to 2-1/2 turn out
Low fuel pressure from muffler
Install pressure line correctly
PROBLEM: Car is difficult to control
CAUSE:
SOLUTION:
Transmitter and/or receiver batteries are weak
Replace batteries or recharge
Transmitter has low range
Fully extend transmitter and reciever antennas
Servo Linkage not adjusted correctly
Set servo to neutral and re-adjust
PROBLEM: Bad acceleration even though engine response is good
CAUSE:
SOLUTION:
Brake is dragging
Set brake so that it does not drag at neutral throttle
Loose clutch nut
Tighten clutch nut
