Help ! how can this happen?
01-26-2003, 05:40 AM
#1
Help ! how can this happen?
setting up a friends Kyosho landmax i think, 1/8th scale rally car with a pull start.
somtimes when it runs it goes backwards. how? i had smoke out the exhaust the pull start will not let the engine go backwards but it drove backwards. switch it off and restart its ok!!!
somtimes when it runs it goes backwards. how? i had smoke out the exhaust the pull start will not let the engine go backwards but it drove backwards. switch it off and restart its ok!!!
01-26-2003, 06:17 AM
#2
Tech Initiate
I know that somtimes an airplane engine will start backwards something to do with backfiring but I have never heard of it happing to a car engine maybe your carb settings are causing it to load up?????
01-26-2003, 08:31 AM
#3
01-26-2003, 10:54 AM
#4
Tech Fanatic
i think that what is happening is caused by preigniting of fuel mixture
as piston is coming up it fires too early and shoots piston down before it gets to the top
try a different plug that is colder another head shim and check needle settings
as piston is coming up it fires too early and shoots piston down before it gets to the top
try a different plug that is colder another head shim and check needle settings
01-26-2003, 11:00 AM
#5
How can the engine run backwards the pull start would lock up!!
01-26-2003, 11:05 AM
#6
Tech Fanatic
good point
does it always run backwards?
i put the diffs in my storm in wrong before and it went backwards could that be the problem
does it always run backwards?
i put the diffs in my storm in wrong before and it went backwards could that be the problem
01-26-2003, 11:10 AM
#7
no if i stop it and restart it its ok goes forwards!!!
01-26-2003, 11:13 AM
#8
Tech Fanatic
thats bizarre
i think it may be time to pull engine out and start checking the pullstarter
i think it may be time to pull engine out and start checking the pullstarter
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