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Messages - Brett72

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16
CB750 / Re: centre stand
« on: December 16, 2020, 09:23:06 PM »
thanks. they are different

17
CB750 / centre stand
« on: December 16, 2020, 07:32:51 PM »
Hi all,  Can anyone tell me if there is any difference between a 77 & 75 centre stand. I have a 75 frame and have been offered a 77 stand, TVM

18
CB750 / Re: Engine Bearing Journals
« on: December 02, 2020, 08:11:28 PM »
Just a couple of pics Julie

19
CB750 / Engine Bearing Journals
« on: December 02, 2020, 06:29:33 PM »
Evening all. What are the general thoughts on using the original bearing journals? i have stripped the engine down and they look good. Would you just plastigauge them when reassembling or go for new?

20
CB750 / Re: Struggling splitting engine case
« on: November 28, 2020, 10:28:56 PM »
Thanks Trigger i will give it a go tomorrow

21
CB750 / Struggling splitting engine case
« on: November 28, 2020, 10:05:11 PM »
Evening all. i am after some advice if possible from the font of knowledge on here.  I am struggling to separate my engine cases. I have followed the good ole Haynes manual to the letter but i just cannot seem to separate them. Have tried lots of different size persuasion tools but they just wont budge. Is there a bolt that the book doesn't show? Do you need to remove the alternator off the shaft? i have seen many videos where they don't. Is there a bolt under the sump plate near the oil pump? Any ideas are welcome. Thanks

22
Project Board / Re: CB750 K5/6/7
« on: November 28, 2020, 07:30:17 PM »
Evening all. i am after some advice if possible from the font of knowledge on here.  I am struggling to separate my engine cases. I have followed the good ole Haynes manual to the letter but i just cannot seem to separate them. Have tried lots of different size persuasion tools but they just wont budge. Is there a bolt that the book doesn't show? Do you need to remove the alternator off the shaft? i have seen many videos where they don't. Is there a bolt under the sump plate near the oil pump? Any ideas are welcome. Thanks

23
Project Board / Re: CB750 K5/6/7
« on: November 25, 2020, 08:58:17 PM »
Evening allMind has been made up about the engine strip for me. Turned it over to look at the bottom and oil contaminated with water poured out.!! Now struggling to remove the alternator flywheel centre bolt loose. Has Anyone struggled to remove this before? If so how did you get it out without doing any damage. Thanks

24
Project Board / Re: CB750 K5/6/7
« on: November 25, 2020, 01:47:17 PM »
Trigger, are there any easy ways of telling the difference between k6 and k7 heads?

25
Project Board / Re: CB750 K5/6/7
« on: November 25, 2020, 12:05:39 PM »
Cheers gents. I think that is the way i am going to go, just dubious on how much money i will put into this project. Will just have to drip feed without the missus noticing lol. Any advice on the best place to get parts around the UK?

26
Project Board / Re: CB750 K5/6/7
« on: November 24, 2020, 08:26:25 PM »
Thanks Trigger. The potion brought all the pistons up a treat and they were in great condition apart from one ring that i could not get off and slightly damaged the piston :'(. I am having trouble deciding how far to go with the engine. So far the top end is in bits and will get a full service, valve seats and pistons, bored or honed. The bottom end feels really smooth and there isn't any noticeable horrors that i can see. What are peoples thoughts? Should i continue to strip it all the way down or just rebuild the top and try and get a running machine? Open to suggestions.

27
Project Board / Re: CB750 K5/6/7
« on: November 23, 2020, 10:18:53 PM »
 :'(Thanks for the good news Julie. If i am lucky they will release in the potion i am soaking them in lol

28
Project Board / Re: CB750 K5/6/7
« on: November 23, 2020, 10:04:50 PM »
Evening, i have just taken the pistons off and have noticed that on numbers 1 and 4 the rings are fully compressed. Any tips how to get them off? They are soaking at the moment.

29
Project Board / Re: CB750 K5/6/7
« on: November 22, 2020, 09:43:25 PM »
Thanks Trigger. Might see if anyone has a set to swap/px

30
Project Board / Re: CB750 K5/6/7
« on: November 22, 2020, 08:52:29 PM »
just some of the photos as i go. I have a k6 engine but the carbs are from a K7. will they fit and work?

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