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Author Topic: fork pinch bolt safety wiring  (Read 6370 times)

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Offline JoeRider677

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fork pinch bolt safety wiring
« on: July 01, 2012, 02:04:18 PM »
Any simple way to safety wire the pinch bolt on the front fork when the top of the socket head pinch bolt is flush with the surface of the fork?
Foil Hat Racing
Bikes Built Better
SCTA Records 2011   ECTA 2013
MPS-BG   120.507     M-BF 140.507    
MPS-BF   141.236      M-BG 146.19
M-BG      118.674      MPS-BG 165.01
M-BF      132.905       MPS-BF 170.32
LTA 2013
1 mile - MPS-BG 174.341
1.5 Mile-MPS-BG 184.09
ECTA 2014
M-BG 155.38
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SCTA 2014
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Offline saltwheels262

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Re: fork pinch bolt safety wiring
« Reply #1 on: July 01, 2012, 02:18:23 PM »
you could use a .125" aluminum spacer under the socket head
and get a .125" longer bolt.
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bub '10 - 158.100  sweetooth gear
lta  7/11 -163.389  7/17/11; 3 run avg.-162.450
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Offline runt13

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Re: fork pinch bolt safety wiring
« Reply #2 on: July 01, 2012, 07:59:34 PM »
i put nice ss socket head lockwashers under the bolt heads and that gave me enough room for the safety wire holes.
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2012 Wilmington mile
April meet,
p/pp-1350/4 record, 132.601mph

September meet,
p/pp-1350/4 record 139.915mph [bump]
p/pp-1650/4 record 142.364 mph
p/pp-2000/4 record 140.009 mph
p/pp-3000/4 record 144.511 mph

2013 Wilmington mile
July meet,
m/pg-1650/4 record 137.278
m/pg-2000/4 record 136.695

Sept meet,
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Offline JoeRider677

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Re: fork pinch bolt safety wiring
« Reply #3 on: July 01, 2012, 08:31:06 PM »
I'm going with the spacer so the socket head is out enough to drill and safety wire from there.
Foil Hat Racing
Bikes Built Better
SCTA Records 2011   ECTA 2013
MPS-BG   120.507     M-BF 140.507    
MPS-BF   141.236      M-BG 146.19
M-BG      118.674      MPS-BG 165.01
M-BF      132.905       MPS-BF 170.32
LTA 2013
1 mile - MPS-BG 174.341
1.5 Mile-MPS-BG 184.09
ECTA 2014
M-BG 155.38
M-BF 149.00
MPS-BG 175.57
MPS-BF 185.33
SCTA 2014
---
---
---
---
How hard do you practice when no one is watching

Offline grumm441

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Re: fork pinch bolt safety wiring
« Reply #4 on: July 02, 2012, 04:34:15 AM »
If it goes right thru the fork, you could put a longer allen screw in and lockwire the other end
But use a stainless allen screw as they generally have 10mm more thread on them
G
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Offline Joe Timney

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Re: fork pinch bolt safety wiring
« Reply #5 on: July 02, 2012, 07:29:53 AM »
Safety wiring of pinch bolts is NOT required by ECTA. The axle/nut is required. On Busa style axles, you need to secure both ends as the axle can screw out even if you wire the nut.
Joe Timney
Retired President of ECTA
President of Delaware Chassis Works
www.delawarechassisworks.com

Offline Dean Los Angeles

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Re: fork pinch bolt safety wiring
« Reply #6 on: July 02, 2012, 09:11:06 AM »
The rules require certain items to be safety wired. That is simply a base point to start. You have to decide what bolts you don't want to fall out, and it's a lot more than the rules require. I'd safety wire the pinch bolts.
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Offline Plmkrze

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Re: fork pinch bolt safety wiring
« Reply #7 on: July 02, 2012, 11:42:59 AM »
The rules require certain items to be safety wired. That is simply a base point to start. You have to decide what bolts you don't want to fall out, and it's a lot more than the rules require. I'd safety wire the pinch bolts.

I would like to thank JoeRider677 for starting this thread. I am not a cycle guy (small stones, but i digress). Dean's reply hit the mark with me. I have to decide which bolts I don't want falling off.  As I look at my car I have to make a concerted effort to safety wire/castle nut/cotter pin etc everything (within reason) that I don't want falling off. Thanks!
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Offline JasonS

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Re: fork pinch bolt safety wiring
« Reply #8 on: December 05, 2012, 04:26:31 PM »
I have read the rule book many many times, and the only thing I have found that is REQUIRED to be safety wired are the axles. Is there anything else that I'm missing? It's not that I won't wire more than that, I just want to be certain I get everything needed.

Offline JoeRider677

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Re: fork pinch bolt safety wiring
« Reply #9 on: December 05, 2012, 08:36:07 PM »
Jason, The rule book does say that the axles do have to be wired. My case was a little odd in that bikes bike in question does not have the standard axle nut arrangement on the front. It's a 2011 Kawasaki Versys and everything is flush. If you can not wire the axle and nut the next best thing is the pinch bolts. What I ended up doing was using a longer pinch bolt and a spacer just long enough to have the head of the socket headed bolt protrude out for a safety wire hole and the wire to go through. The ECTA has a page on facebook and I ended up posting pictures there. If you've got facebook look me up, Joe Heffernan, go to my photos, albums, find "mobile uploads", the one with 74 pictures and scroll down. the first and third pics are both sides of the fork before and the middle pic is what I ended up doing.
Foil Hat Racing
Bikes Built Better
SCTA Records 2011   ECTA 2013
MPS-BG   120.507     M-BF 140.507    
MPS-BF   141.236      M-BG 146.19
M-BG      118.674      MPS-BG 165.01
M-BF      132.905       MPS-BF 170.32
LTA 2013
1 mile - MPS-BG 174.341
1.5 Mile-MPS-BG 184.09
ECTA 2014
M-BG 155.38
M-BF 149.00
MPS-BG 175.57
MPS-BF 185.33
SCTA 2014
---
---
---
---
How hard do you practice when no one is watching

Offline RacerX9623

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Re: fork pinch bolt safety wiring
« Reply #10 on: December 07, 2012, 05:13:29 PM »
The 250 ninja uses cotter pins to secure the front and rear axle nuts. They are good for tech.
trying to go 200 KPH with a 250cc four stroke.

Offline relaxedphit

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Re: fork pinch bolt safety wiring
« Reply #11 on: December 21, 2012, 07:48:59 AM »
Though it''s not required anymore, I'm a fan of safety wiring the oil drain plug and filter.