| Author | Message | ||
     Markymark |
2003 Blast Erratic idle high oil consumption. Found pieces of the air filter in the bottom of the airbox. Looks like shaved blue rubber. Had the primary adjusted and now vibrates HORRIBLY. Any help for me? | ||
| Swampy |
Was the primary chain adjusted properly? What is high oil consumption? What kind of oil are you using?, How many miles on the bike? Was there a chance of air filter or dust/debris getting drawn into the engine? | ||
| Swampy |
Also check out in Blast specific proceedures on primary chain adjustment in the Thumper Knowledge vault in the above listed links.. | ||
| Gearheaderiko |
First it sounds as if the primary chain was adjusted incorrectly.Too tight an adjustment has been known to cause a variety of problems which has included decreased top speed.Sounds like your engine is struggling. What else did they do to the bike? The oil consumption could be caused by a few things, but we have to determine what you consider high? Over/underfilling,consistent high speed riding,bike break in,and not checking the oil properly are some causes. The filter pieces could be caused by backfiring and/or not installing the filter/box correctly. Just some of my immediate thoughts,maybe these & swampy's questions will help narrow it down. | ||
| Markymark |
Buell dealer adjusted the chain. Using SYN 3 oil. 1000 miles on the bike. Lots of rubber shaving in the airbox. The bike worked great for the first 500 miles and then the idle quality suffered. Popping back through the carb, hard starting. 1oo miles = 1/2 qt. oil. Thanks guys | ||
| Swampy |
Idle quality, backfiring, hard starting: enrichen the carburetor jetting main and idle speed, that helps the most. Oil consumption: Oil viscosity? leaking, blowby? Can you identify what the shavings are from that are found in the airbox? If you are at all mechanically inclined adjust the primary chain yourself using the proceedures outlined in the primary chain adjustment section of the knowledge vault that way you know it will be done right. Good luck, Let us know! | ||
| Ezblast |
If your oil umbrella valve is not seated correctly - it will increase oil to the vent instead of directing it back down into the system. - Part of the problem could well be plastic bits in the carb-motor screwing/gumming things up - find the reasons for the bits and rectify - asap! If the Buell dealer did it by the book instead of experience then it is probably adjusted too tight and is the cause of the obvious of the eratic idle - see the procedures section for specifics, also the popping back could be the sign of a loose intake boot - check to make sure tight, and do the WD test to check for cracks, and do what I do, and just replace it with the oil - Hope that helps! Got Thump?! Just Blasting on the Dark side! EZ  | ||
| Gearheaderiko |
Still thinking about MM's problem. The one glaring thing that comes to mind is-Got Warranty? I hate taking anything to anyone else to get fixed, but if you have a warranty & you do your own work (if its obvious)and there is something seriously wrong, they may not honor the warranty. The carb backfiring and poor idle could be caused by the loose/defective intake boot or: Do you have a California model? Erik | ||
| Sarodude |
Mark- Oil Consumption: Make sure you'r always checking the oil in the same conditions - fully warmed up, on level ground, bike held up sraight. Popping: First, if you've got little blue shavings in the airbox, the air filter may not be seated properly. If that's the case, it's possible that there's a net reduction in vacuum to the idle circuit causing the popping. Aside from that, the WD40 test around the carb boot never hurts. Though some say it's a design flaw, I'll bet body parts that it's an installation or RE-DESIGN (ie - tinkering / modification) flaw. In 20,000 + miles our blast ate 1 carb boot - and that was likely due to me overtightening the clamp. Primary chain seems best adjusted by ear / feel / experience. Time to gain the experience. Start simple and learn to wrench. It's better for you and your bike in the long run. I turned a Blast back into the dealer six months after purchase 'cause they kept effing it up. -Saro | ||
| Swampy |
My big kid is Always overfilling his Blast, I finally broke him of it by telling him to check the oil when he puts the bike away, of course he never puts anything away. You ought to see his room. |
