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Messages - Skoti

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331
CB750 / F1 lumpy low speed running.
« on: April 21, 2010, 01:55:44 PM »
Sorry to keep posting as many questions, but this is the first F1 I've owned and I'm not sure what to expect of it.

At low speeds and around 2000rpm when riding through towns the motor feels lumpy, open the throttle a touch and it becomes smooth.

Is this normal   :-\

 

332
CB750 / Re: F1 neutral light woes
« on: April 21, 2010, 01:23:15 PM »
Yes you were right on both counts.

The wire insulation was chaffed through just where it exits the front sprocket cover. I repaired that first but it did not cure the problem.

I then removed the switch and soaked it in a small tub of brake cleaner.
Even though I recently changed the oil and filter the switch was still full of gunge.
 
Managed to get it cleaned out by pressing the plunger ball in and out while it was submerged in brake cleaner. Followed by a blast of compressed air.

Just back from a 30 mile run and it's still working OK  :)

333
CB750 / Re: F1 neutral light woes
« on: April 21, 2010, 08:00:07 AM »
Thanks for that will check it out today and post results  ;)

334
CB750 / F1 neutral light woes
« on: April 20, 2010, 07:48:31 PM »
Today my neutral light went wonky. Lights up in 2nd,3rd and 4th gears (and neutral) goes out only in 1st and 5th.

Is it likely to be a faulty switch or dirty connection?  :-\

335
CB750 / Re: CB750F1 engine oil capacity?
« on: April 12, 2010, 08:26:09 AM »
Yoshi,
why do you not run the engine with the oil at the max level on the dip stick?  :-\ 

336
CB750 / CB750F1 engine oil capacity?
« on: April 11, 2010, 02:44:33 PM »
Just changed my F1 engine oil and oil filter today. With the engine hot I drained the oil tank, engine sump and oil filter housing.

Took just under 3 litres of oil to refill it to the top mark on the dip stick although the sticker on the oil tank states engine oil capacity 3.5 litres.

Have I missed something or is this normal?  :-\

337
CB750 / Re: F1 Rear brake master cylinder seal kit
« on: April 11, 2010, 09:47:08 AM »
Andy,

that ebay item is for a later 1978 model. Thanks anyway  :)

338
CB750 / Re: F1 Rear brake master cylinder seal kit
« on: April 10, 2010, 09:13:04 AM »
Good Info

many thanks  :)

339
CB750 / Re: F1 Rear brake master cylinder seal kit
« on: April 10, 2010, 07:23:41 AM »
Hi Spitfire,

maybe your rear brake master cylinder is in better condition than mine.
 
I noticed that the front brake master cylinder is the same bore as the rear and the after market repair kit I fitted to the front uses a seal identical to the original Honda seal on the rear.
So it may be possible to buy another aftermarket front kit and swap the seal on the rear master cylinder with the seal supplied in the front after market kit  :-\

I noticed on an earlier post you renewed your front caliper piston, I could do with renewing mine as well, because at the moment I can only use half worn brake pads keeping the outer corroded part of the piston away from the seal.

If you still have your old caliper piston please could you measure it for me?
I found a supplier that lists replacement pistons by size.

 http://motorcycleproducts.co.uk/catalogue/brake-caliper-piston-kits-c-108_233.html?page=2&sort=2a

340
CB750 / Re: F1 Rear brake master cylinder seal kit
« on: April 07, 2010, 10:16:43 AM »
Thanks for that, I already bought the correct genuine Honda rear master cylinder kit for an F1, but it differs from the original factory fitment and will not seal correctly.

The seal that fits onto the piston is narrower than the original seal. When assembled it sits slightly further back on the exposed corroded part of the master cylinder bore.

Click on the globe icon below my details and take a look at the high resolution photos on my web site to see exactly what I mean.  :(


http://picasaweb.google.co.uk/ktis66/HondaCB750F1SuperSport1976?feat=directlink

341
CB750 / F1 Rear brake master cylinder seal kit
« on: April 07, 2010, 07:45:59 AM »
Anyone know where to purchase an after market F1 rear brake master cylinder repair kit?  :)

342
CB750 / Re: CB750F1 Hondastyle Fairing for sale.
« on: April 03, 2010, 07:45:44 AM »
Not exactly the same fairing as mine though. The edges are flared out a bit on yours. I wonder what make it is? Probably not Rickman/Honda Style. :-\

343
CB750 / Re: F1 Clutch cable
« on: February 10, 2010, 05:18:34 PM »
Quote from: mick on February 10, 2010, 10:34:52 AM
Hi Skoti, you could also try www.z1enterprises.com they are based in the US i have used them before with no problems  ;) cheers mick.

Good web site at Z1 enterprises, they detail the length of two different clutch cables listed for the F1. The smaller of the two will do me just fine  :) Thank you Mick.

344
CB750 / Re: F1 Clutch cable
« on: February 10, 2010, 09:03:16 AM »
Quote from: Spitfire on February 10, 2010, 08:25:00 AM
Have a look for US spec F1 cables, their bars are higher and wider, should be able to find something on the CMS NL or David Silver websites.
http://www.cmsnl.com/
http://www.davidsilverspares.co.uk/

Cheers

Den

Thanks for that, but I think the US spec cable might be a bit too long. The US spec bars seem quite high and wide compared to mine.
I see that according to frame numbers there are two different cables listed on www.cmsnl.com for the F1 anyone know what the difference is?

345
CB750 / Re: F1 Clutch cable
« on: February 10, 2010, 08:57:38 AM »
Quote from: Yoshi823 on February 09, 2010, 10:05:08 PM
I had been going to suggest Venhill Engineering www.venhill.co.uk until I realised where you are based.

I'll be in the UK next week, but I see Venhill don't list any cables on their website for CB750F1/F2  :(

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