SOHC.co.uk Forums > Project Board
750 K1 project
Crispy:
--- Quote from: Trigger on April 09, 2018, 07:34:08 PM ---
--- Quote from: Crispy on April 09, 2018, 06:25:08 PM ---
--- Quote from: Trigger on April 09, 2018, 05:43:02 PM ---
--- Quote from: Crispy on April 09, 2018, 04:49:08 PM ---Et Voila! :). Good job you guys know what's What ! You had me worried then with talk of 're-engineering' :o These two have come out quite easily...which is more than I can say for some the fasteners so far! Can't budge the exhaust stub screws !
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How the hell did you get those out without grabbing hold of the nipple ? Or have you flattened the nipple ?
I have made so many special tools to get those out.
--- End quote ---
I think my nipples are ok! 😬
Although I did grab hold of them with a pair of long nose pliers! I didn't put too much pressure on them..gave them a waggle and out they popped!
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Those are in perfect shape, more evidence that that motor has never been apart before ;) To clean the jets, soak in thinners for a couple of days and dig with a thin bit of wire (from a wire brush) before blowing out with a airline.
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👍
Crispy:
I've measured my cylinders, pistons and ring gaps, (see pic) Measurements seem to be only just within tolerance, out of round and taper seem ok. What do you think folks? ...will I be ok using the cylinders and Pistons as they are Just replacing the rings ?
Limit for cylinders is rebore if diameter is greater 61.1mm
Limit for piston is replace if diameter is less than 60.85mm
My measurements seem to be very close to these limits although they are within them. :-\
Trigger:
--- Quote from: Crispy on April 15, 2018, 10:09:39 AM ---I've measured my cylinders, pistons and ring gaps, (see pic) Measurements seem to be only just within tolerance, out of round and taper seem ok. What do you think folks? ...will I be ok using the cylinders and Pistons as they are Just replacing the rings ?
Limit for cylinders is rebore if diameter is greater 61.1mm
Limit for piston is replace if diameter is less than 60.85mm
My measurements seem to be very close to these limits although they are within them. :-\
--- End quote ---
By your measuring, it looks like piston 2,3,4 won't fit the bore as the pistons are bigger ;)
Crispy:
🙄....damn!! I'll do them again!! 😂
Crispy:
Ok here's another attempt..these are the averages of several readings....it's a long time since I've done any maths!! 😂
Just realised that the pistons are measured at the skirt...mine are very tight in the bore of the cylinder at the top!
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