ear shave note - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
Carbs and Fuel System
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post #1 of 4 (permalink) Old 08-03-2015, 04:29 AM Thread Starter
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ear shave note

when i did the ear shave i routed the carb breather over top of battery and down behind back wheel. looked ok and ran ok round town but on open road opened up it would hesitate and just did not feel smooth so i moved the breather higher under front of tank and now runs really nice ,i cant believe this would make so much difference but it has.

Vn 750 A2 1986 rebuilt engine, crank shaft, half casing,shell bearings,con rods,rear cylinder head,oil pump,water pump ,(had ceased bearing rusted up),tie bar upgrade,clutch basket drilled,front cylinder cam chains,toc springs,stator,shaved, rectifier,agm battery,solenoid ,starter motor (used) re-spray ongoing.
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post #2 of 4 (permalink) Old 08-03-2015, 08:14 AM
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Hmmm. I ran mine under the tank connected to a T and then to the filter as it shows in the procedure in the forum. All I'm having is carb issues in the front and. I even got to the point that I went straight pipes to rid the major back pressure the original exhaust was creating. Still have the carb issues though. Glad you found a fix for what was ailing ya.
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post #3 of 4 (permalink) Old 08-03-2015, 08:44 AM
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Originally Posted by JETHRO View Post
when i did the ear shave i routed the carb breather over top of battery and down behind back wheel. looked ok and ran ok round town but on open road opened up it would hesitate and just did not feel smooth so i moved the breather higher under front of tank and now runs really nice ,i cant believe this would make so much difference but it has.
yup. must be in 'dead' air.. no dead air under seat.. whodda thunk it.

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post #4 of 4 (permalink) Old 08-03-2015, 10:55 AM
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You can also connect it into the fuel level sensor underneath the tank as it's just a plastic casing that has dead air.

1986 Kawasaki Vulcan 750
NGK Iridium Plugs #7803/DPR7EIX-9
Duralast Gold ETX15 AGM Battery
Coastered & Shaved
TOC MCCTs
Metzeler ME880 [110/90-19, 170/80-15]
Balance Dampers Replaced
Tuxedo Mod
Rebuilt Forks w/ Progressive Springs
V&H Cruzers
VN750.com Grill Cover
Meanstreak Seat
Emgo 23-92411 Handlebars
MOSFET FH012AA R/R


1990 Kawasaki Vulcan 750

1998 Honda VFR800 FI

2014 Honda VFR800F

1989 Pontiac Firebird Formula 350
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