Product Tips & Tutorials: RC Cars/Crawlers
1/8 Exceed Nitro Engine Factory Settings
Posted by on 12 September 2012 04:57 PM

From our amazing Tech Bobby:

1/8 Motor Factory tune settings. Remember these settings are RICH
settings recommended for break in procedure. During break in procedure
the engine will be sluggish, the motor will emit lots of smoke, glow
plugs may also foul out during this time, and performance will be low.
Patiently breaking in a motor will pay off with a better performing
longer lasting engine.

.21 GO engine Settings High speed needle clockwise till stop, back out
counter clockwise 2.5 or 3 turns
.21 GO engine settings Low speed needle clockwise till stop, back out
counter clockwise 7 turns

.28 EX engine settings Low speed needle clockwise till stop, back out
counter clockwise 3.5-4 turns
.28 EX engine Settings High speed needle clockwise till stop, back out
counter clockwise 2.5

.21 SH engines settings Low speed needle clockwise till stop, back out
counter clockwise 3.5-4 turns
.21 SH engines settings High speed needle clockwise till stop, back
out counter clockwise 2.5-3 turns

.27 Toki engines can follow the .28 engine settings

Again these settings are very rich. If you are still having trouble
starting then adjust clockwise (tighten) by 1 hour increments. 1 hour
increments meaning if the screw was a clock with 12 hours, adjust by 1
hour clicks.

If any engine isn't starting check the fuel lines for fuel. If not fuel
then PRIME the engine. To PRIME the engine cover the intake or exhaust
port with finger. Pull cord a couple of times until fuel runs into
carb. Then proceed to start.

If engine is still not starting check carb opening. Too closed wont
start. Too open hard to start and if it does it will be high idle.
Adjust the carb opening with the IDLE SCREW. Remember for the IDLE
SCREW clockwise is to OPEN. Counterclockwise is to CLOSE. Proper carb
opening is usually .8mm or 1mm.

If engine still not starting check and re check glow plug and glow
plug ignitor to ensure they are working properly.

If the pull cord is hard to pull then the engine is flooded. Remove
glow plug and dump fuel out or pull cord to pump fuel out. Reinstall
glow plug and check above settings.

If you are still having trouble starting check your fuel. Is it really
old? Recommend to have 20% nitro methane content.

If you are still having trouble starting then check for leaks in the
fuel lines, Leaks on the cooling head? screws tight? carb is bolted
down tightly?


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