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Message started by SavageGreaseMonkey13 on 03/08/09 at 15:56:12

Title: Cutting out
Post by SavageGreaseMonkey13 on 03/08/09 at 15:56:12

Hey guys. Anyone else have or had a problem with their bike cutting out at highway speed around 60-75 mph. Mine will do it after about 15-20 minutes of continuous speed. It was almost as if I was running out of gas but I had only been riding about 20-30 miles since filling up. I switched to reserve and it would still sputter and almost die. Then I switched to prime and it would finally smooth out. I would ride on prime for a couple minutes and then back to on and it was fine. Then about 15-20 miles it would happen again. Does this sound like a petcock problem or something else? It seems more like maybe the petcock is starting to act up to me. Any ideas? Thanks

Mario

Title: Re: Cutting out
Post by Yonuh Adisi on 03/08/09 at 15:58:29

Check your vac line, there may be a hole in it. The symptoms you describe indicate a vacuum leak.

Title: Re: Cutting out
Post by verslagen1 on 03/08/09 at 17:02:46

Try replacing the vac line, but also tighten up the screws on the back side of the petcock.
Mine acted like this too, if finally started leaking this year, found gas in the vac line. so make this one of your monthly checks.

Title: Re: Cutting out
Post by SavageGreaseMonkey13 on 03/08/09 at 18:06:34

vacuum line is fairly new. but i will check the screws on the back of the petcock. im thinking about converting to the raptor petcock anyway.

Title: Re: Cutting out
Post by seviersavage on 03/08/09 at 18:33:33

Do the raptor petcock, no more troubles. Except when you forget to put the petcock to fuel and spend 15 minutes tring to push start it.
Don't ask.
Seviersavage

Title: Re: Cutting out
Post by SavageGreaseMonkey13 on 03/08/09 at 18:36:36

lol ;D

Title: Re: Cutting out
Post by SavageGreaseMonkey13 on 03/20/09 at 18:16:56

i think i may have fixed my cutting out problem. i installed the raptor petcock and it did fine today on a test ride at lunch. i will need to take some more longer rides to make sure but im hoping this will do it.

Title: Re: Cutting out
Post by diamond jim on 03/20/09 at 18:28:34

7D7E6B606D6B7C79676262676F637D0E0 wrote:

Do the raptor petcock, no more troubles. Except when you forget to put the petcock to fuel and spend 15 minutes tring to push start it.
Don't ask.
Seviersavage

Consider it extensive field verification testing that "off" is truly off.

Title: Re: Cutting out
Post by seviersavage on 03/20/09 at 21:01:42

Or it could simply prove that I need more cardio cause I thought I might pass out :o
Seviersavage

Title: Re: Cutting out
Post by justin_o_guy2 on 03/20/09 at 21:27:53

I didnt see an answer that I thought was "IT", but danged if I am getting it. I need lore details.

What happens if you drop the speed down for a few miles?
I would put it on prime when it messes up & if that solves it, then Id be looking at the flow rate thru the petcock.
I think it sounds like you are running the bowl low on fuel somehow.
HEY!! Do we see a loss in vac as the throttle is opened? Is this caused by low vac? Is it possible the vac diaphragm is getting stiff?

Title: Re: Cutting out
Post by diamond jim on 03/20/09 at 22:06:28

494A5F54595F484D535656535B57493A0 wrote:

Or it could simply prove that I need more cardio cause I thought I might pass out :o
Seviersavage

LMAO just picturing it.

Title: Re: Cutting out
Post by Digger on 03/26/09 at 20:18:29

Savage,

If it is still acting up, you may be developing a vacuum in your fuel tank.

Title: Re: Cutting out
Post by justin_o_guy2 on 03/26/09 at 23:11:20

Hope he doesnt suck it flat..

Title: Re: Cutting out
Post by SavageGreaseMonkey13 on 03/27/09 at 15:14:30

no more cutting out after raptor petcock