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Topics - cobra

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1
Misc / Open / starter rollers
« on: February 26, 2013, 05:40:45 PM »
Hi i am getting all the parts together, to build myself a set of electric starter rollers, for my CR750 lookalike, my knee is a bit dickie to keep kick starting, i have a new single phase motor, new block bearings, sprockets, chain etc, the framework is being welded together next month. what i want to do is fit a foot switch, to use to start it with, my question is how do i wire one into the system, can anyone give me a diagram of how to wire one up.

2
Misc / Open / L A Cooper Engineering CAT Engineering
« on: February 22, 2013, 10:29:25 AM »
I would recommend that you don't use this company, i sent them a cheque for £492.00 to have some work done on my CR750 discs, they cashed my cheque but never delivered the goods, BE WARNED

3
CB750 / gear lever
« on: November 12, 2011, 10:22:00 AM »
Hi i am after 3 gear levers, see parts wanted,

4
CB750 / rear hub for CR Replica
« on: November 04, 2011, 11:28:33 AM »
Hi again, i have now got hold of a CB750 rear hub and sprocket carrier, hub is away being built into alloy flanged rim, what i dont have is a brake plate to match. can anyone tell me if the later brake plate, ie 1980 type with the extra ribbing on the back, i think they were fitted to the overhead cam models, will fit my earlier hub without any problems, as i can have one of these FOC, but dont want to accept it if it wont fit,

5
Recommended Sources for Parts and Services / caliper piston
« on: October 29, 2011, 06:44:25 PM »
Hi if anyone is searching for a 43mm brake caliper piston for there cb750 sohc F1 or automatic, try phil denton engineering he makes them from stainless steel,

6
CB750 / rear hub
« on: October 10, 2011, 03:57:28 PM »
will the sprocket carrier on a cb750 sohc disc rear brake fit a drum rear brake? the reason i ask is i am trying to locate a drum rear wheel hub or complete rear wheel, without any success, so it looks like ebay, problem is nobody wants to sell a complete wheel, its a wheel, a brake plate, and a sprocket carrier, i have a carrier off my disc brake, so do i need to buy all three parts or will i get away with two.

7
CB750 / bushes
« on: September 15, 2011, 08:46:44 PM »
can anyone give me a name of someone who supplies, bronze bushes for cb750 swing arm please, thanks Tony

8
CB750 / wiring loom
« on: September 05, 2011, 05:01:38 PM »
Hi now i am building my CR750 lookalike, i have decided to remove the alternater, lights,warning lamps,winker relay,fuse box,indicators horn etc, the problem is,i would like to make a new wiring loom,does anyone have a wiring diagram, or know how to do it, i know i will want a on/off switch, starter button (as i intend to keep the electric start) with not having the alternator i wont need the regulator or rectifier,  will i ? i will also need a main fuse somwhere in the system, if you know how to do it, can you scrible it on the back of a fag packet and post it up here, thanks.Tony.

9
CB750 / sprockets
« on: August 27, 2011, 10:25:52 AM »
Hi I have just bought a CB750 engine and a pair of wheels, the engine sprocket has got 15 teeth, and the rear wheel sprocket has 40 teeth, and both sprockets are very thick, a standard chain wont fit. the rear wheel sprocket has a label on it (azusa engineering) my question is what was this bike being used for. and why were these sprockets fitted.

10
CB750 / CR 750 Replica
« on: August 24, 2011, 04:04:01 PM »
I have now started my build, frame has been de-lugged, as i dont have machining equiptment i am going to have certain brackets made,i am after a set of rear set brackets to weld to the frame.(the ones like m3racing make) is there a company in the UK that make parts for the CR750, i have been told of a company called CAT Engineering that convert the discs to cast iron ones and fit them to your centers but cant find there address or web site, if any one can help. i have sorced tank,oiltank,seat from mead speed, and exhausts from moonpie, but its the little parts i need. thanks.any names addresses etc will be of great help.

11
Misc / Open / hailwood replica
« on: April 02, 2011, 06:07:09 PM »
when i have finished my CB750 F1, i am thinking of building a hailwood replica 500 4, A few years ago, there was a series of articals in motorcycle mechanics that ran over about 6 issues, i think it was about 9 or 10 years ago, does any one still have them by any chance?i have emailed the publishers about them but have had no responce. failing that has any one out there done one.or have any info on where i can get info for the build, things like which front hub did it use, ie gremica or fontana or was it a honda.hope someone can help cheers Tony

12
Tricks & Tips / caliper piston
« on: March 09, 2011, 05:12:43 PM »
removed the front caliper off my F1 today, the bike has been stood for the last 10 years, so i knew it was going to be fun. The way i managed, in the end, to remove the piston was, I fitted the short copper feed pipe, to the caliper, and then fitted my tyre foot pump to the other end of the pipe, it just pushes into the end of the pump, and clip the lever down to make a tight fit, then i pumped the presure up to 60 psi and heated the caliper with a butane torch, and pop it came out,(at speed) make sure you arn't in the line of fire. but it worked a treat.

13
New Member Introductions / newbie
« on: February 21, 2011, 04:19:58 PM »
Hi all, just like to say hello, ihave had 3 750 sohc hondas this is my 4th, just bought it to renovate, its a F1  1976, WILL KEEP POSTING as build progresses. ; :)

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