78xs cyliders 3&4 are not fireing???
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Exhaust pipes 3&4 are not heating up?
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Most likely cause is fuel. 3&4 get fed from your right petcock (typically). On the 78 model you have vacuum operated petcocks, so if the vacuum diaphram is messed up it might not feed fuel. Try turning that patcock to prime and see if it clears up.
Also look for kinks in the fuel line. Otherwise, you could have a clogged petcock or something liek that, but it is alot less likely.Life is what happens while your planning everything else!
When your work speaks for itself, don't interrupt.
81 XS1100 Special - Humpty Dumpty
80 XS1100 Special - Project Resurrection
Previously owned
93 GSX600F
80 XS1100 Special - Ruby
81 XS1100 Special
81 CB750 C
80 CB750 C
78 XS750
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you might also want to check that
the mixture screw isnt broken on the number 4 carb.pete
new owner of
08 gen2 hayabusa
former owner
1981 xs1100 RH (aus) (5N5)
zrx carbs
18mm float height
145 main jets
38 pilots
slide needle shimmed .5mm washer
fitted with v/stax and uni pod filters
[url]http://www.youtube.com/watch?v=3pA8dwxmAVA&feature=mfu_in_order&list=UL[/url]
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Or at least try adjusting the mix screw to no 4. Or replace/clean the plug in no 4.
Might also look into cleaning the carbs up then. Once it is down to one cylinder, it is usually a carb issue.Life is what happens while your planning everything else!
When your work speaks for itself, don't interrupt.
81 XS1100 Special - Humpty Dumpty
80 XS1100 Special - Project Resurrection
Previously owned
93 GSX600F
80 XS1100 Special - Ruby
81 XS1100 Special
81 CB750 C
80 CB750 C
78 XS750
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