i hope this helps some ppl


Description of Problem

Cause of Problem -- Solution of Problem

Engine will not start

Out of fuel -- Fill tank with fuel
Wrong type or poor quality fuel -- Replace fuel
Carburetor not primed --Prime carburetor
Glow heater not charged -- Charge glow heater
Bad glow plug -- Replace glow plug
Engine flooded -- See Flooding
Engine too hot --Allow engine to cool
Carburetor set incorrectly -- Readjust carburetor
Blocked exhaust -- Clean or remove debris from exhaust system
Air filter clogged -- Remove and clean air filter


Starter will not retract

Broken spring -- Replace recoil assembly


Starter hard to pull

Engine is flooded -- See flooding
Engine is seized or locked up -- Take engine apart


Engine starts then stalls

Idle set to low -- Increase idle speed
Bad glow plug -- Replace with new
Low-speed mixture too "rich" -- "Lean" low-speed mixture
Low fuel tank pressure -- Check for blockage in fuel pressure line.
Engine overheated -- Allow engine to cool down


Engine sluggish or poor performance

High-speed mixture set to "rich" -- Lean out high-speed mixture
Leaking glow plug -- Tighten or replace glow plug
Bad glow plug -- Replace glow plug
Old or dirty fuel -- Replace with new fuel
Carburetor dirty or blocked -- Clean carburetor, check for blockage
Engine overheating -- Stop running and richen fuel mixture
Slipper clutch set too loose -- Tighten slipper clutch
Tires not glued/wheel pins fell out -- Glue tires/replace wheel pins
Engine over geared -- Use lower gearing
Bound up drive train -- Check drive train, and make it free
Engine worn out -- Replace piston/sleeve and check connecting rod


Engine overheating

High-speed mixture to lean -- Richen high-speed mixture (counter-clockwise)
Cooling air flow is blocked -- Cut holes in body to allow air flow
Nitro content too high -- Run nitro content between 10-20%
Fuel not containing correct lubricants -- Purchase a higher quality fuel
Excessive load on the engine -- Check for bound up drive train
Low-speed mixture too lean -- Richen low-speed mixture


Engine stutters or hesitates

High or low-speed mixture too lean -- Richen high first then low
Engine overheated -- Stop engine and let it cool down
Bad glow plug -- Replace with new


Engine stall as soon as you give it gas

Bad glow plug -- Replace with new
Low-speed mixture too lean -- Richen low-speed mixture
High-speed too rich -- Lean high-speed mixture


Engine stalls when I let go of throttle

Idle set too low -- Increase idle
Engine stalls for no apparent reason
Bad glow plug -- Replace with new
Engine overheated -- Shut off and let cool down, richen high-speed
Debris in fuel line -- Remove and retry
Poor fuel tank pressure -- Check hose foe clogging

Nice works SMaxx. Us newbies need all the help we can get sometimes. I suggest everyone who is new to nitro prints this list and keeps it in their kit box.

Keep up the good work

great work, very helpful!
My I am in the middle of the break in of my revo, and it goes fine for about 5mins, then the engine goes all sluggish and sounds very deep, usually i take it in shut it off and when i turn it back on it is fine. Is this normal?

id apprieciate any help,
zach

no problem coupe

zak did you make any adjustments at all? if no, it could be yur glow plug is a lil bit fouled...if you can still run it, use it until you can get another to check it

Sticky this

well i didnt want ot break anything so i have ordered a couple of spare glow plug, so we shall see how we go!

nice

some one really needs to sticky this