| Author | Message | ||
     Chrisd |
Hey peoples-I'm new here and driving a 2001 "grape juice" blast. Bought the bike 3 months ago with five miles on it (obviously never driven), so I'm working out the kinks on it. I have performed the "gas cap" test and know that I am having vapor lock issues (while it bogged down, I opened gas cap and away she went-I drive it with the gas cap open and no more problems-carb is good to go also). Talked to a Harley mechanic about it and he told me to lock my lips on the bottom of the filler cap to suck and blow while feeling for air coming out or no air coming out from somewhere on the cap. Question 1- Do the caps vent? I'm not sure I was performing his recommended test correctly but it seems like the caps do not vent but instead it would be the vent tube or rollover valve which vents vapors. He recommends replacing the cap for $70, but I can't find anything on this board about "venting caps." I do know that while practicing tight turns on dirt, I dropped the bike and gas came out somewhere from the cap (I didn't really take to much note from where as I just wanted to get the bike upright-I do know that I need a new filler cap o-ring), so it seems it would be a faulty rollover valve? My model is not part of the rollover recall and I understand the idea of replacing cheap parts before the expensive ones-but cheap parts add-up! Thoughts on the gas cap and rollover valve? | ||
| Gearheaderiko |
Caps DO NOT VENT!!! The small hose in front of the fuel filler is the vent, HOWEVER (!!!) you have a California model that has an EPA charcoal canister which MUST BE bypassed before you do anything else. It is or will cause you problems. I'm at work so this is all I have time to explain. | ||
| Chrisd |
Thanks for the quick explanation-knowing that the gas cap does not vent was my main concern since the Harley mechanic told me to replace it. How do you know if the canister is the issue and not the rollover valve or vent tube? I did blow through the vent tube yesterday and it did not seem clogged (I could hear a percolating sound in the canister) but couldn't tell if the vent fitting itself was clogged due to the angle of it and not being able to get a good seal on it (maybe a suck/blow test on the fitting wouldn't work anyways due to its nature). If I want to keep the EPA canister in tact and set-up in its original manner, what would I do? Thanks Gearhead-I know your at work so I'll check back later. | ||
| Gearheaderiko |
You can make the canister look like it is hooked up, if you want. But IT WILL CAUSE YOU PROBLEMS and I won't even bother to diagnose if a canister is still hooked up. It will cause the problems you describe. At the canister: Plug the large hose. Plug the hose on the "to carb" fitting. Leave the vent hose open, do not leave it connected. This is the gas tank vent! Then ride/run it for at least 5 minutes and see if your problem disappears. | ||
| Chrisd |
I'll have to run the plug test this weekend. Any tips on good ways to plug the two hoses while taking it for a drive? | ||
| Gearheaderiko |
Golf tee and a bolt or 2 bolts. Get the right size bolt and they'll thread in. They won't go anywhere. You can also bend them over tight and zip tie them (like crimping a garden hose), but that just an emergency fix. After you bypass it, then think about cleaning it up, unless you're keen on keeping the canister. Again, if you leave the canister hooked up, no-one who knows anything about the Blast will help you fix it. It will cause you problems, probably shut it down on you going down I5 in rush hour!! |
