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Messages - Sp1john
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1
« on: January 03, 2023, 05:25:34 PM »
2
« on: December 15, 2022, 05:20:42 PM »
Dont connect to anything except air
thank you👍
3
« on: December 15, 2022, 05:19:32 PM »
They route down with the overflow pipes to near the main stand.
thank you👍
4
« on: December 15, 2022, 04:52:27 PM »
hi everyone
the honda cb750 f1 is coming along nicely.. I fitted the the carbs and noticed that the 2 inside ones have a breather pipe... do they attach to anything 🤔 I have attached a photo.. thanks john
5
« on: November 05, 2022, 05:44:37 PM »
I’d say if it’s the first tear down and the crank is in good shape it all depends on your mission and riding intentions. If your are doing a full restoration I’d replace them.If you are happy with the engine and don’t intend to rack up the miles and are operating a strict budget, you might want to use the cash saved elsewhere. I can’t help myself and replaced all shells, main load bearings, dampers and chains….it’s just the way I’m made.
thanks for the advice... the bike will only be doing low mileage so I will put them back in 👍
6
« on: November 04, 2022, 01:08:47 PM »
here are the photos of the main bearings..sorry for the quality of 2.. should I still use them 🤔
7
« on: November 04, 2022, 08:00:50 AM »
Need actual pictures of the face of the shell bearings. They can corrode due to acid in the engine oil over the years, so even though the clearance may be ok the shell could be ruined.
thanks.. al put some on today👍
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« on: November 03, 2022, 10:28:29 PM »
here is the 2 pictures of my dilemma
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« on: November 03, 2022, 10:15:06 PM »
It depends on condition of the bearing surfaces as well John, when you have 5 posts then put up a pic of them, mark each one before removal, they MUST go back in the same place they came from.
thanks for your advice... I did try and post photos with this topic but it wouldn't allow me to.. I know why now .. thanks👍
10
« on: November 03, 2022, 10:04:16 PM »
A good starting point is to download the manual here (unless you have done that) then see how the crank journal tollerances look in the tables. Check you bearing codes if the colours are visible.
hi Ted thanks for your advice.. I have checked and according to honda they are top limit to slightly oversize. I have a clearance of 0.05 to 0.065mm. but I have heard that some people run them with more oil clearance ..
11
« on: November 03, 2022, 09:58:42 PM »
Hi John welcome to the forum! There is very helpful and knowledgable people on here as well as very experienced that will advise. That’s why I’m not going to offer my help 🤣
😂👍thanks for the welcome.. forum's like this one are invaluable.. 👏
12
« on: November 03, 2022, 04:38:55 PM »
hello everyone.. I am john from Nottingham in the UK.. I have had a honda cb750 f1 (28000 miles) now for 15 years with the intention of rebuilding the bike.. av finally got round to do it 🙄.. the engine has done 28000 miles and is in now in bits.. I have plastigauged the main bearings.. this is reading 0.05 to 0.63mm.. can anyone give me some advice on weather this is ok.. also I am in need of a set of std rings any advice as to we're I can get them from .. the piston has 392 in the casting next to the pin.. thanks john
13
« on: April 17, 2017, 08:08:56 AM »
Hello everyone
My name is john
I am in the east midlands
And i have a cb750 f1 sohc
I have had the bike for 8 years
It is in a sorry state.... so i am
Going to re build her
I hope there is a lot of experience
On this site as i have a lot of questions
Thank you for reading this
John
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