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Buell Forum » THUMPer Forum » Blasting Away - The Thumper Quick board » Archive through January 02, 2012 » Return blaster! Noises from primary « Previous Next »

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Biggsammy13
Posted on Monday, July 04, 2011 - 11:33 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Ladies n Gents - hello.
I must say I'm a return thumper driver (2 months previous experience) before I upgraded to the M2 and sold the former blast. My wife has since decided that she too would like to take up riding and well...after my own heart, she loves the buell. Before we get in to all of the cosmetic mods that will ensue, I would like to get some insight into the new blaster that we just purchased.

When I test drove the 03 blast, 9800 miles, it ran alright. it did sound like there was a lot of movement going on in the primary when the bike was idling and in neutral but when it was in gear the noises seemed to fade. Previous owner told me the primary chain needed to be adjusted and the thumpers were habitual for such needs when sitting for a while. I checked the kv and Tightened the chain adjuster to finger tight, then 1/4 turn (no difference in noise) I noticed that I can hear them a little more clearly now when clutch is held in and coasting in 1st and 2nd but not so much in the gears thereafter. So...

- when the bike is not In motion and in gear, no sound.
-When the bike is in low gear and in motion, whining sound from primary.
-When the bike idles in neutral, whining sound from primary.

The previous owner said he just completed a fluids change, new filter and new plugs but he did let it sit for nearly 8 months without riding it frequently.
Any ideas what that sound could be and remedies for correcting the problem?

Otherwise, rides smooth. V&H pipes on this thump and it sounds nice. Will probably cafe this baby out, throw a larger tire on the rear, repaint from the existing yellow and call it a day.
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Gearheaderiko
Posted on Monday, July 04, 2011 - 01:18 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Welcome back.
No offense, but with only 2 months riding experience with the Blast its not likely you'll remember how it sounds or is supposed to sound. But your M2 should sound fairly close to it if they are both adjusted right.

Whirring/whining means its probably too tight. More important than finger tight is listening for the change in noise. If you do it the repair manual way it will give you a good place to start if you are unsure (8-12 flats instead of the manual suggested 4.5). Listen for the clacking noise. Even with the V&H, you should still be able to hear it and within one full turn of the bolt you should go from clacking to zero clacking and you're good somewhere in between (just a hint of clacking is usually good-though some go tighter or looser). The primary IS NOT a high maintenance issue. As with a rear chain, sitting for long periods seems to tighten them up and heavy abuse will stretch them out. But when adjusted right, you shouldnt have to worry about the primary chain for a very long time. If the bikes been sitting and there isnt any reason to suspect the chain is way out of adjustment (IE:its not your bike, the factory spacer is still there, the adjuster bolt came loose etc.) then ride it for a few hundred to get things stretched back out before you adjust it.

If the primary is under slight load (in gear, clutch in) noises tend to diminish.

Unless you're really, really good at plastic painting, get the right colour bodywork rather than painting it over. Painting the Blast bodywork is a real good way to devalue your bike and painting over white or yellow is really going to start looking bad after some miles hitting road debris.

PS from the FWIW file: If my wife were going to ride a bike it would be yellow with good tires, if I loved her. However, if her life insurance were paid up and that was more important than having her around, I'd opt for full coverage flat back and Dunlops. But thats just me....
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