plz help rear motor is getting hot after a ear shave procedure - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 16 (permalink) Old 06-04-2014, 10:42 AM Thread Starter
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plz help rear motor is getting hot after a ear shave procedure

I just recently did a ear shave on my 750 and now the rear motor is getting real hot after you the rev engine

Last edited by samuri; 06-04-2014 at 10:48 AM.
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post #2 of 16 (permalink) Old 06-04-2014, 11:21 AM
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I doubt it's ear shave related. Could have a clog in your cooling system. Hows your coolant level?

1986 Kawasaki Vulcan 750
NGK Iridium Plugs #7803/DPR7EIX-9
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Coastered & Shaved
TOC MCCTs
Metzeler ME880 [110/90-19, 170/80-15]
Balance Dampers Replaced
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Rebuilt Forks w/ Progressive Springs
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post #3 of 16 (permalink) Old 06-04-2014, 12:06 PM
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Quote:
Originally Posted by thtanner View Post
I doubt it's ear shave related. Could have a clog in your cooling system. Hows your coolant level?
That'd make sense. The rear jug would get less airflow when riding.

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post #4 of 16 (permalink) Old 06-04-2014, 03:28 PM Thread Starter
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the level seems to be find i have not rode the bike yet but i just notice the rear motor getting really hot really fast Ill button the bike up ride it and make my adjustments and the I will prob change the oil Just to be safe and if it is still running hot then Ill start by changing the coolant Do you guys think it could be the the thermostat the bike did'nt run hot before the ear shave
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post #5 of 16 (permalink) Old 06-04-2014, 03:53 PM
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Quote:
Originally Posted by samuri View Post
the level seems to be find i have not rode the bike yet but i just notice the rear motor getting really hot really fast Ill button the bike up ride it and make my adjustments and the I will prob change the oil Just to be safe and if it is still running hot then Ill start by changing the coolant Do you guys think it could be the the thermostat the bike did'nt run hot before the ear shave
T.stats usually fail open, so you would have a hard time warming up, not cooling down.

What temp does the gauge show?

Unless your rear is running extremely lean, the ear shave wouldn't have affected it.

Did you rejet when you did an earshave? Do you have an after market exhaust?

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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post #6 of 16 (permalink) Old 06-04-2014, 03:59 PM
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Quote:
Originally Posted by thtanner View Post
T.stats usually fail open, so you would have a hard time warming up, not cooling down.

What temp does the gauge show?

Unless your rear is running extremely lean, the ear shave wouldn't have affected it.

Did you rejet when you did an earshave? Do you have an after market exhaust?
Pretty bold statement THtanner

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post #7 of 16 (permalink) Old 06-04-2014, 03:59 PM
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Originally Posted by Goofyfoot2001 View Post
Pretty bold statement THtanner
Correct statements, too!

It's ok to be bold as long as your right.

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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post #8 of 16 (permalink) Old 06-04-2014, 04:00 PM
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Quote:
Originally Posted by samuri View Post
I just recently did a ear shave on my 750 and now the rear motor is getting real hot after you the rev engine
How do you know it's hot? Does it feel hot on your left leg? If so then did you coaster or did you marble? Reason I ask is you can get a small leak at the reed valve and it might make you think it's really hot.

Bold statement I know :-)

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post #9 of 16 (permalink) Old 06-04-2014, 11:46 PM
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Quote:
Originally Posted by thtanner View Post
T.stats usually fail open, so you would have a hard time warming up, not cooling down.

What temp does the gauge show?

Unless your rear is running extremely lean, the ear shave wouldn't have affected it.

Did you rejet when you did an earshave? Do you have an after market exhaust?
really... they fail open... usually the stick open, but completely fail cloase.. I have only replaced one t-stat in my life that would not close... I have however had a zillion fail closed...
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post #10 of 16 (permalink) Old 06-05-2014, 07:08 AM
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My question here too....how are you gauging how "hot" it is?

You wrote you "have not rode the bike yet" .....are you just letting it sit with the motor running? Motors get hot....don't they? How you know it's "too hot"?

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