loud clunk when starting - Harley Davidson Forums: Harley Davidson Motorcycle Forum
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post #1 of 13 (permalink) Old 04-18-2010, 01:29 AM Thread Starter
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loud clunk when starting

I've been waiting to post this until I had a dealer check it out, but my 10 wide glide makes a helluva clunk sound when I start her up. It doesnt happen all the time, but the greater majority of the time it does. Sometimes it's just a single clunk, other times it's like it's struggling to "grab" and turn over.

There doesnt seem to be a pattern of colder vs warmer weather, cold vs warm motor, fuel level, on jiffy stand or upright, in neutral or in gear, hold down starter button until after it starts or let off as soon as it turns over.

The service writer at the dealer said it was probably skipping teeth in the starter gearing, then catching the next spot- thus creating the noise. However, when the tech looked at it, he apparently couldn't find any problems. Also NOT surprisingly, despite making the sound when I took it in and explained the problem, the tech couldn't duplicate it.

I haven't been able to talk to the shop manager yet, but I guess there's a "more technical" explanation for the sound...

My "technical explanation" is that something isn't right, and they didn't have any answers. I have an EXTREMELY hard time believing that the starter would make a loud clunk, or repeated clunking, like I'm trying to describe. The bike is 3 weeks owned as of 04/16, there's nearly 600 miles on it, and has done it pretty much since day 1. No mods.

I'm planning to take it to a different dealer, but I'm interested to hear ideas so I can go to them with a little more info than "this doesn't sound right on a new bike". It runs great when it's on, but the clunk is definitely worrying me. Beyond that, how bad does it look for me to have this beautiful new bike that sounds like $#!+ just trying to start?!?!?!

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post #2 of 13 (permalink) Old 04-18-2010, 05:00 AM
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This past year we ran into a couple touring models that had noisy starters , turned out the starter mounting bolts were loose . Maybe the same problem with yours . I would think the service tech would have checked that though .

Disclaimer : Don't believe anything I say unless you are absolutely sure that I know what I'm talking about .
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post #3 of 13 (permalink) Old 04-18-2010, 08:15 AM
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I wouldn't let it drive me nuts, it's in warranty,

let it get worse, eventually it'll be easy to find.

.

Once you establish yourself as an eccentric,
you rarely have to explain your actions.
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post #4 of 13 (permalink) Old 04-18-2010, 06:45 PM
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This is what you hear.
It's the recoil when the ramps snap back into place.
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File Type: jpg Stock Compensator.JPG (36.6 KB, 88 views)

Stock CVO 110 Mufflers, K&N A/C, Stock Heads, SE 103" BB kit, Andrews 26H Cams, Mustang wide Touring Seat, Stock Bars, H-D Oil Cooler, 1990's LeatherWorks inc Saddle Bags & Modified HD Deluxe Guards, H-D Luggage rack, H-D Windshield, SE Fork Brace, SE Comp, Thunder Max A/T, S&S Lifters, Zipper's dual piston tensioners, Progressive Mono tubes & 422 Shocks, SCRC 524
Bagger set up to ride comfortably
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post #5 of 13 (permalink) Old 04-18-2010, 06:49 PM
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To remedy the noise, install this
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File Type: jpg Big Twin Comensater Kit.JPG (51.0 KB, 101 views)

Stock CVO 110 Mufflers, K&N A/C, Stock Heads, SE 103" BB kit, Andrews 26H Cams, Mustang wide Touring Seat, Stock Bars, H-D Oil Cooler, 1990's LeatherWorks inc Saddle Bags & Modified HD Deluxe Guards, H-D Luggage rack, H-D Windshield, SE Fork Brace, SE Comp, Thunder Max A/T, S&S Lifters, Zipper's dual piston tensioners, Progressive Mono tubes & 422 Shocks, SCRC 524
Bagger set up to ride comfortably
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post #6 of 13 (permalink) Old 04-18-2010, 07:43 PM Thread Starter
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The problem is that I checked plenty of youtube vids and NEVER heard the clunk on any of them. And its not that it starts, THEN hear the clunk... Sometimes it clunks without actually turning over.

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post #7 of 13 (permalink) Old 04-18-2010, 07:54 PM
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is the battery good? are the battery connections tight? start there

the loose starter sounds very plausible
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post #8 of 13 (permalink) Old 04-18-2010, 08:34 PM
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Quote:
Originally Posted by seVer916 View Post
The problem is that I checked plenty of youtube vids and NEVER heard the clunk on any of them. And its not that it starts, THEN hear the clunk... Sometimes it clunks without actually turning over.
Every Harley with this stock compensater (pictured) bangs when cranked to start, listen to other Harley's start.
They bang just like yours does and mine did with the stock compensater. And they rattle like shaking a box of rocks.
Does it harm anything? No. Is it necessary to change? No.
If you don't like the noise it'll cost you to get rid of it.

Al

Stock CVO 110 Mufflers, K&N A/C, Stock Heads, SE 103" BB kit, Andrews 26H Cams, Mustang wide Touring Seat, Stock Bars, H-D Oil Cooler, 1990's LeatherWorks inc Saddle Bags & Modified HD Deluxe Guards, H-D Luggage rack, H-D Windshield, SE Fork Brace, SE Comp, Thunder Max A/T, S&S Lifters, Zipper's dual piston tensioners, Progressive Mono tubes & 422 Shocks, SCRC 524
Bagger set up to ride comfortably
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post #9 of 13 (permalink) Old 04-18-2010, 10:05 PM
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My Ultra does the turn over and bang thing when I start it. I think what hes sayin is that as soon as he hits the fire button it grinds and then grabs and starts. Am I right?
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post #10 of 13 (permalink) Old 04-19-2010, 01:05 AM Thread Starter
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no grind. the best way to really explain it... is to hear it. sucks to say it that way, but everybody I've exampled it for always gets a "what the f... what that ?!?!" look.

we'll see what happens. At least I have some options.

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