SOHC.co.uk Forums > CB750
Engine shop recommendations West Yorkshire
Johnwebley:
--- Quote from: WestYorkshireBiker on June 18, 2020, 09:16:17 PM ---Well.. this escalated quickly
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It's the fun of the forum.
We all know each other.
And have a daft sense of humour
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WestYorkshireBiker:
--- Quote from: Johnwebley on June 18, 2020, 09:20:34 PM ---
--- Quote from: WestYorkshireBiker on June 18, 2020, 09:16:17 PM ---Well.. this escalated quickly
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--- End quote ---
It's the fun of the forum.
We all know each other.
And have a daft sense of humour
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--- End quote ---
That's what I like to hear
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AshimotoK0:
I would take caution on reboring firms .. a lot of them don't work to Jap bike tolerances. You won't go wrong if you go to Trigger & Julie for at least rebore & head work. ....plus a very tranquil and charming part of the country to visit and always a warm welcome there. As you will gather from the banter they are quite popular on here. ;)
Also, if you are shopping around for pistons make sure the +0.25mm is enough for the wear on your bores (or they have not been bored already). Quite often if there has been water or rust damage or ring breakage you will need to go up two rebore sizes.
WestYorkshireBiker:
--- Quote from: AshimotoK0 on June 18, 2020, 09:40:10 PM ---I would take caution on reboring firms .. a lot of them don't work to Jap bike tolerances. You won't go wrong if you go to Trigger & Julie for at least rebore & head work. ....plus a very tranquil and charming part of the country to visit and always a warm welcome there. As you will gather from the banter they are quite popular on here. ;)
Also, if you are shopping around for pistons make sure the +0.25mm is enough for the wear on your bores (or they have not been bored already). Quite often if there has been water or rust damage or ring breakage you will need to go up two rebore sizes.
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Thanks Ash. Glad I joined this group. Lots of useful leads already
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Laverda Dave:
I agree with Ash, be very careful of engineering firms who undertake rebores on Jap bikes. I had an engine rebored and advised the engineer of the Honda specification for the piston to bore clearance. The engineer rebored the barrel oversize. When I asked why he told me the piston would sieze if he bored the barrel to the Honda spec! Result: the engine used so much oil so quickly it siezed! I had to find another barrel, a new piston, rebuild the crank, new con-rod and regrind of the cam as a result. I went to another company to get the rebore the second time! A very expensive lesson.
I have never personally used Trigger but I would have no hesitation to do so in the future, he knows these engines better than anyone else.
Good luck with your quest to buy a sohc, you won't be disappointed 👍.
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