sfbrain Posted April 6, 2017 Share Posted April 6, 2017 Hi Guys, My GSXR750F had been standing for 7 years, today i got the head off, only to find that there had been some water ingress into one of the cylinder, so i have a little rust on part of the bore !! Looks like i'm going to have to have it rebored, so recommendations please Who should do it ? What pistons should i go for ? All advice greatfully received Cheers Steve B Quote Link to comment
canamant Posted April 6, 2017 Share Posted April 6, 2017 (edited) How bad is it ? If it is just surface you might get away with a clean up/hone. If it really is knackered it would be cheaper to get another set of 70mm cylinders rather than 4 pistons, 4 sets of rings and the rebore. Edited April 6, 2017 by canamant additional info Quote Link to comment
sfbrain Posted April 6, 2017 Author Share Posted April 6, 2017 24 minutes ago, canamant said: How bad is it ? If it is just surface you might get away with a clean up/hone. If it really is knackered it would be cheaper to get another set of 70mm cylinders rather than 4 pistons, 4 sets of rings and the rebore. Hi, yes i was thinking that too, i'm doing a full engine rebuild and cosmetic restoration, so wont be racing her Just weighing up options and costs Cheers Quote Link to comment
Swiss Toni Posted April 7, 2017 Share Posted April 7, 2017 Full engine rebuild??? Tell your wallet to prepare for a hammering! Quote Link to comment
richyrich Posted April 7, 2017 Share Posted April 7, 2017 Can you Try and post some pics of the bores? Id say a Top end rebuild Should Give it a new lease of life , maybe new rings You can give it the best chance, have a look at lapping in the valves. In the haynes manual is a list of things to measure and check. Probly worth trying to run it without disturbing the crankcases first id say. Quote Link to comment
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