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Messages - Skoti

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256
CB750 / Re: 750 f1 fuel leak
« on: July 15, 2020, 12:38:53 PM »
Thanks for the replies.

The petrol tap seems ok, but maybe it gradually seeps fuel over a couple of weeks or so?
It's a spring loaded cone type tap and does not have the usual rubber packing washer with the holes.

I'm also thinking of renewing the needle valves and seats, but not sure about the quality of the aftermarket replacements available.




257
CB750 / Re: 750 f1 fuel leak
« on: July 14, 2020, 09:14:28 PM »
Forgot to mention the tap is turned off.

258
CB750 / 750 f1 fuel leak
« on: July 14, 2020, 08:14:43 PM »
Not sure what's causing this but when I park up in my garage for a couple of weeks or more and then pull the bike off the centre stand I get a few drips of petrol onto the garage floor from the carb overflow hoses.

Anyone had the same issue?


Carb float levels were set at 26mm about 4 years ago and not touched since.

I was maybe thinking about worn needle valves, but would this be a normal CB750 fault?
Bike has done 48,000 miles on originals.


regards

Skoti







 



 

259
CB750 / Re: CB750K6 UK Frame Name Plate / VIN Plate
« on: June 03, 2020, 11:30:28 AM »
I found that If you first remove the cam box breather cover the motor fits in easier.
Also you're probably less likely to damage the frame paint.

BTW
Sean, thanks for the excellent Belfast to Belfast blog it's a fascinating read.

260
CB750 / Re: F1 750 float levels
« on: May 24, 2020, 09:14:37 AM »
Hi,

you could download the Honda manual over at http://manuals.sohc4.net/

261
CB750 / Re: CB750K6 UK Frame Name Plate / VIN Plate
« on: May 22, 2020, 06:00:13 PM »
If your bike's already built up in rolling chassis form here's how you can refit the motor single handedly and without damage to the frame etc.

You need a smooth concrete garage floor so the bike can be pushed side ways towards the motor.

https://goo.gl/photos/KRhVTTAbjCUoaA5x7

Refitting the motor photos are near the end, apologies for linking the full photo album.   

262
CB750 / Re: 750 f1
« on: May 11, 2020, 08:37:41 PM »
Yes ,by just holding an old and new needle jet up to the light for a visual inspection there was a fair difference in size.

Those were the original needle jets from new and had done 23,900 miles.

You'll probably find that you'll need full choke when starting and careful engine warm up after fitting replacements, also restores fuel consumption and nice smooth low throttle response.

   

263
CB750 / 750 f1
« on: May 08, 2020, 04:46:47 PM »
'Carburation is a bit woolly low down and feels like it could be crisper, it starts better without choke'

Had exactly the same problem with my F1, tried everything mentioned here, but in the end it was new needle jets that cured it.

Part number 16012 392 004 (if you can still get them)



Good luck.

264
Out & About / Auerberg Klassik (photos)
« on: October 02, 2019, 01:06:25 PM »
Not just Hondas, but maybe something for everyone?



Auerberg Klassik mountain race.
 
https://photos.app.goo.gl/36L6GVWT7q8vSKof7
 
 
Auerberg Klassik the Pits.
 
https://photos.app.goo.gl/YHyW3UrGSKN1DB4n8
 
 
Auerberg Klassik Bernbeuren.
 
https://photos.app.goo.gl/UzVuCEj17WAedx1UA

265
Out & About / Swedish Sandcasts (photos)
« on: September 08, 2019, 05:43:03 PM »
Some photos from the recent Swedish Classic Honda Club CB750 50th anniversary meeting.

Enjoy!

https://photos.app.goo.gl/XcypTthK5S1gjgkt9


Link to the Swedish club web site photos:-

http://www.classichonda.se/2-uncategorised/119-chcs-arstraeff-2019

266
CB750 / Re: Too rich pilot?
« on: September 03, 2019, 08:16:27 AM »
Hello Arch,
I had the same problem and renewed the pilot jets which did not cure it.

However after renewing the needle jets the problem was solved.

Good luck with your carbs. 

267
CB750 / Re: Haagen Dazs (photos)
« on: August 06, 2019, 08:17:26 AM »
Not sure about Ben & Jerrys, but I'm told that Haagen Dazs is cool.

268
CB750 / Haagen Dazs (photos)
« on: August 05, 2019, 01:33:51 PM »
Just wanted to share this tip on how to possibly avoid clock faces becoming damaged or faded in the direct sunlight.

Haagen Dazs lids and U.V. resistant, reflective and self adhesive material from my local sign makers shop.

https://photos.app.goo.gl/HA4CFXAcN4W7at4M7

269
Out & About / Re: Scottish Transport Extravaganza
« on: July 16, 2019, 08:20:06 PM »
Well deserved prize for a lovely bike, I wonder how he'll manage to carry that trophy home?

270
CB750 / Re: Hot CB750 F1
« on: July 15, 2019, 12:18:56 PM »
Kent400,

thanks for the helpful offer of a replacement face but I've been lucky enough get a used replacement clock from the UK via Flea Bay.


My wife was happy with the damage as I was prevented from exceeding 70MPH in case the needle became stuck on the melted speedo face!

Tacho face seems OK, bike was parked with the steering locked and handle bars on extreme right hand lock with speedo uppermost. Not sure if this was a factor, maybe just the way the sun was hitting it? 

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