Im sol, need help - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 13 (permalink) Old 05-28-2015, 05:38 PM Thread Starter
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Im sol, need help

Was coastering my bike when the ****in bottom bolts on both sides sheared off. If you have advice tell me if you have advice and can help in person pm me if your in the flint michigan area.
Thanks
Holiday
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post #2 of 13 (permalink) Old 05-28-2015, 05:55 PM
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Start spraying them with Blaster or WD 40. Do it several times and give it time to work itself in. Using a small punch. Tap a hole somewhere towards the outside of the bolt. Do this so the hole (indentation) is running towards the base of the bolt. Next use the same punch and tap against the hole in a motion so as to turn the bolt in the correct direction to remove it. This may take a significant amount of lubricant to work. If there is any portion of the bolt outside the threads try to grip it with Vise Grips after filing two flat spots for better gripping power. Good luck.

and always remember, "Ride until you rot!"
**Really not sure if the Big "C" is back right now
but having to face the fact that this is a lifetime routine
going forward. Five operations done and it still continues.

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post #3 of 13 (permalink) Old 05-28-2015, 06:10 PM
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If you get desperate, post for a mobile mechanic on Craigslist. A buddy got a bolt removed like that for $20, and the guy came to him.

1986 Kawasaki Vulcan 750
NGK Iridium Plugs #7803/DPR7EIX-9
Duralast Gold ETX15 AGM Battery
Coastered & Shaved
TOC MCCTs
Metzeler ME880 [110/90-19, 170/80-15]
Balance Dampers Replaced
Tuxedo Mod
Rebuilt Forks w/ Progressive Springs
V&H Cruzers
VN750.com Grill Cover
Meanstreak Seat
Emgo 23-92411 Handlebars
MOSFET FH012AA R/R


1990 Kawasaki Vulcan 750

1998 Honda VFR800 FI

2014 Honda VFR800F

1989 Pontiac Firebird Formula 350
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post #4 of 13 (permalink) Old 05-28-2015, 11:00 PM
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Same thing happened to me and I went a different (cheap) route. If you look under where the coaster goes you will see the only port is easily filled with a 1/4 inch set screw if carefully tapped 1/4-20 tap. Seal it with a little locktite and then install the coaster with the upper bolt and crazy glue a head over the lower bolt hole .... no leaks and still looks right.

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post #5 of 13 (permalink) Old 05-29-2015, 07:45 AM
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I'd say drill it. You need to start with the smallest drill bit you can and very gradually step up until you can either get an extractor in there or you get enough of the bolt removed that it can be bent or turned out. Lemme check my schedule. Send me a pm with your cell phone number and I'll shoot you a text.

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post #6 of 13 (permalink) Old 05-29-2015, 09:00 AM Thread Starter
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Quote:
Originally Posted by Vulcan2000 View Post
Start spraying them with Blaster or WD 40. Do it several times and give it time to work itself in. Using a small punch. Tap a hole somewhere towards the outside of the bolt. Do this so the hole (indentation) is running towards the base of the bolt. Next use the same punch and tap against the hole in a motion so as to turn the bolt in the correct direction to remove it. This may take a significant amount of lubricant to work. If there is any portion of the bolt outside the threads try to grip it with Vise Grips after filing two flat spots for better gripping power. Good luck.
Tried but didnt work, the bolt wont move at all

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post #7 of 13 (permalink) Old 05-29-2015, 09:01 AM Thread Starter
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Quote:
Originally Posted by dragon159 View Post
Same thing happened to me and I went a different (cheap) route. If you look under where the coaster goes you will see the only port is easily filled with a 1/4 inch set screw if carefully tapped 1/4-20 tap. Seal it with a little locktite and then install the coaster with the upper bolt and crazy glue a head over the lower bolt hole .... no leaks and still looks right.
Idk how i feel about taping it, i dont like the idea of metal in my cylinder

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post #8 of 13 (permalink) Old 05-29-2015, 09:58 AM
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Just use the screw, don't tap it. It's aluminum, so the bolt will cut itself through it. Get one with self tapping tip.
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post #9 of 13 (permalink) Old 05-29-2015, 10:06 AM
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Quote:
Idk how i feel about taping it, i dont like the idea of metal in my cylinder
I've heli-coiled spark plug holes with the head on the engine, any chips must have been blown out the exhaust, since nothing bad ever happened. Some grease on the flutes of the tap will trap most of the chips.

Doesn't look too easy no matter what, but usually once you get a hole through the broken bolt, the tension on the threads is released and the broken piece will spin out.

There are also left-hand drill bits made for this, could be hard to find though.

Heat can help too, sometimes I'll heat the threads then let oil wick in as it cools.

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post #10 of 13 (permalink) Old 05-29-2015, 10:39 AM
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Heat the bolt with some easy local heat like small torch, then hit it with candle wax. Miracle stuff
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