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Topics - Andy Kay

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Singles / 1968 B44 Victor Special Fork Damper Bolts.
« on: 06 July, 2024, 11:05:41 »
The forks on my Victor Special are the pinch bolt type and are fitted with damper tubes which are held in place with an Allan head bolt.
One leg has been leaking via the damper bolt so I removed it to see what the problem was.
The parts manual shows an aluminium washer under the bolt head which was missing. I ordered a couple of replacements, but they didn't fit.
The outer diameter was too large so they wouldn't fit in the recess in the bottom of the fork tube.
I found some nylon washers that would fit so I thought I would give them a try. When fitted I began to refit the front wheel but I couldn't get the wheel spindle past the damper bolt.
On closer inspection I could feel the head of the bolt very slightly proud of the recess in the bottom of the fork tube.
It turns out that there is insufficient depth in the recess to allow the fitting of any kind of washer no matter how thin.
As a stop gap measure I have applied a couple of wraps of PTFE tape under the head of the bolt and it appears to have worked so far.
I can only think of attempting to reduce the depth of the bolt head slightly to allow a soft washer to be fitted as a permanent fix.
Liquid thread sealant is no use as the fork tubes aren't threaded, the bolts screw into the ends of the damper tubes inside the fork tubes.
Has anyone else had a similar problem and how did you fix it?

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