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View Full Version : HELP LTR stalls when landing jumps or in whoops


Honda5
03-29-2009, 06:43 AM
I have a 06' that is driving me crazy any large jump or good whoop section it stalls on landing I swapped out the tip sensor. has anyone had this problem? It is electrical from what I can tell but I have not been able to find the cause. and it does have a power commander on it and I have not pulled it off to see if that could have anything to do with it. please help.
thanks
hondaracer31
03-29-2009, 07:31 AM
Do a search. I'm sure this problem has been addressed.
Honda5
03-29-2009, 07:46 AM
I did and couldn't find anything
itsallbizz
03-29-2009, 08:39 AM
did you have this problem before you installed the commander, and have you check your electrical connections. get some contact cleaner and unplug your commander then spray and wipe off. then plug in and let'er run
zack221
03-29-2009, 11:13 AM
Mine done the same at the track last weekend and it turned out to be the fuel filter clogged up. So I changed it before the second moto and it ran great.
TDM713
03-30-2009, 05:05 AM
Most definately the (swirl filter). When I bought my bike used, the first time I rode it this happened to me everytime I landed off a jump. I freaked out thinking I bought a lemon! Called cernics and talked to kyle and he told me exactly what it was. They recommend to replace them every six months to a year. Would be a good idea to have a spare one if you race! Even if they don't look dirty, don't mean they aren't. So replace them!
Honda5
03-30-2009, 05:30 AM
will try the filter first if that doesn't work I'm going to try the regulator
thanks
RATPACK Z400
03-30-2009, 07:51 PM
sound like your spark retrafirer?(that thing thats hooks to sparkplug wire that mounts to frame) ground is loose had that happen on my Z.
hondaracer31
03-31-2009, 05:44 AM
Originally posted by RATPACK Z400
sound like your spark retrafirer?(that thing thats hooks to sparkplug wire that mounts to frame) ground is loose had that happen on my Z.

Do you mean the "coil"?
I think he's on the right track with the fuel filter.
FoxMxRiders
03-31-2009, 01:04 PM
Fuel filter X2
RATPACK Z400
04-02-2009, 03:47 PM
Thats it ,look were it bolts to frame or is nut loose on wire that is the ground wire from it.just thought that mite be, it happened the same way on my Z, might be same thing on the ltr450 not for sure!
atveric132
04-02-2009, 05:54 PM
sounds like the fuel regulator.
RATPACK Z400
04-05-2009, 11:10 AM
what has been done as mods? has it always happened since you had it?when did it start ?
atvmaster0927
04-05-2009, 01:17 PM
It is the fuel filter. Replace it and your good to go. :)
Honda5
04-13-2009, 05:53 AM
It was somewhere in the wire harness or power commander I pulled and cleaned all the connectors and removed the power commander and it is running finethe only thing I could think it might have been was the ground wire on the powercommander might have been a little loose. going to put the fule filter in anyway because I have it sitting here.

thanks for the help guys.