inmate Posted July 9 Share Posted July 9 Having taken engine out to replace head gasket after oil leaking on cyls. 2 and 3. Checked and adjusted tappets. Put it all back together, balanced carbs, all within one line on Carbtune. Engine now ticks over fine. However, number 4 cyl running hotter than other three. #1 85/90 C, #2 90/100 C, #3 90/100 C, #4 150/165 C. Tried brake cleaner around inlets, no change. I’m checking temps with a laser sensor on exhaust pipes. Bit stumped at the moment, any help appreciated. Quote Link to comment
TonyGee Posted July 9 Share Posted July 9 44 minutes ago, inmate said: Having taken engine out to replace head gasket after oil leaking on cyls. 2 and 3. Checked and adjusted tappets. Put it all back together, balanced carbs, all within one line on Carbtune. Engine now ticks over fine. However, number 4 cyl running hotter than other three. #1 85/90 C, #2 90/100 C, #3 90/100 C, #4 150/165 C. Tried brake cleaner around inlets, no change. I’m checking temps with a laser sensor on exhaust pipes. Bit stumped at the moment, any help appreciated. its not an exact science but it could be running a little lean on that cylinder, one of mine on my zed is the same but it runs sweet. maybe tweak the mixture a wee bit !!! 1 Quote Link to comment
DAZ Posted July 9 Share Posted July 9 44 minutes ago, TonyGee said: its not an exact science but it could be running a little lean on that cylinder, one of mine on my zed is the same but it runs sweet. maybe tweak the mixture a wee bit !!! Slightly blocked pilot jet ? Or different float height ? Could be that when you took the top end off you dislodged some crap in the carbs 2 Quote Link to comment
inmate Posted July 9 Author Share Posted July 9 Thanks for the replies @TonyGee& @DAZ I shall check the pilot screws and floats again. The carbs are the standard ones 34 mm for a Gsx1100 f and are a pain to get the stubs on and off for balancing, having to take carbs off each time. 1 Quote Link to comment
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