CB750 Clock Refurb Jig/Tool

[philward]

Hi Everyone
Just finally finished the refurb on the original clocks for my K2 and thought I'd share a tip that might help. Looked at CB750faces site youtube link and was searching my local B&Q for a suitable pipe to surround clock shells and came across a '110mm ground pipe socket' that the clock surround fits nicely in.  (About a fiver). Lined it in self adhesive thin rubber tape to protect the new paint and cut slots in to allow the clamp to squeeze on the clock surround.  It then can be used with the recommended method to lever the crimp ring and when clamped to the bench also pushes the clock back to the painted surround. Additionally to the recommended cb750faces method, you can use a flat punch (I used a 6mm round bar) to gently flatten the crimp ring as the front of the crimp ring sits nicely on the 'jig'
It worked a treat for me and so thought I'd share the tip - see pictures
Phil

[philward]

Here's the B&Q product code sticker

[Bitsa (Ralph Wright - RIP)]

Nice one well handy
Bitsa

[JamesH]

Nice one phil that's a really simple but effective setup. Thanks for sharing. Did the foam tape come from b&q as well?

[UK Pete]

Excellent tips , thanks for sharing
pete

[philward]

Rubber strip was from ebay - I had it hanging around in the garage

[philward]

Actually James, your right, it was more of a foam tape

[philward]

Clocks are on and now I've got a reasonably accurate rev counter! Repo rev counter read 5000 rpm at 50 MPH! It did its job though - it got me on the road while I was expensively refurbing the original clocks.
My only regret was not putting the speedo stickers on the milometer numbers - just a bit yellow. Seemed a bit messy to do but what do they say - adds to the platina! (probably spelled that wrong)
Phil

[philward]

oh the joys of restoring old bikes - just went out to test the new progressive fork spring (which where better but nothing to rave over) and as the bikes done about 500 miles opened it up a bit but the speedo sticks at 60! I think the needle might slightly bent up and maybe glass slightly out of kilta with needle spindle - another winter strip down! Rev counter suddenly started wavering as well but will check cable as had that off since last ride. AAAAAHHHHHHHHHHHHHHHH!

[Green1]

I'm surprised that you didn't notice much of a difference. mine dives less under braking and is more stable when cornering.
The needle can come off after being disturbed mine came of twice after dismantling and it was reading about 150mph

[MarkCR750]

Doh!, still as you say something to keep the boredom at bay on a winter night!, thanks for the report on the springs, looks as though I'll need something heavier on the CR , might have a play around making preload spacers first, stay positive the Rev counter may have won the battle but....

[philward]

Mick/Mark - the springs are better but I havn't pushed the bike yet - Mick, you probably ride your bike a little quicker than I have so far - I  will feed back when I've done a few more miles

Anybody any knowledge on re-furbing the damping on the rev counter? Prefer to try things myself if possible rather than send it to an expert

Phil