Ear Shave and Plugged Reeds - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 11 (permalink) Old 09-20-2012, 06:32 PM Thread Starter
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Ear Shave and Plugged Reeds

So I just did the ear shave and also plugged the reeds on my '85. It seems to have more power higher in the RPMs and is a little louder. I used these cheapy air filters:
http://www.ebay.com/itm/160870798976...84.m1497.l2649

And I used 2 of these 1/2" copper caps on the reeds:
http://www.lowes.com/pd_21728-137-CL...cap&facetInfo=

Anyhow, everything seems great about this mod, but all I did was turn the air mix screws out about a turn. I didn't mess with the jetting. It's not popping at all and it seems solid throughout the RPM range, but am I lean?


1985 VN700 - 24,000 miles - Flat Black - AGM Battery - Chopped Seat - Custom Forward Controls - Ear Shave - CCS-100 Cruise Control
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post #2 of 11 (permalink) Old 09-20-2012, 07:15 PM
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I would think so if it was stock jets.

stock setup is set to the lean side to begin with.....add more airflow into the intake and the mix gets leaner.

check your plugs after a few dozen miles and see what they look like.
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post #3 of 11 (permalink) Old 09-20-2012, 08:52 PM
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Yea I'd say you're lean unless those are really restrictive filters.

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

Last edited by thtanner; 09-21-2012 at 12:22 AM.
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post #4 of 11 (permalink) Old 09-20-2012, 10:21 PM Thread Starter
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I'll definitely be checking the plugs soon. Is there anything I can look for performance-wise to tell me I'm lean?


1985 VN700 - 24,000 miles - Flat Black - AGM Battery - Chopped Seat - Custom Forward Controls - Ear Shave - CCS-100 Cruise Control
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post #5 of 11 (permalink) Old 09-20-2012, 11:36 PM Thread Starter
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OK, I just checked the plugs and all four are light brown. They look perfect to me. I've ridden it about 25 miles since the mod.


1985 VN700 - 24,000 miles - Flat Black - AGM Battery - Chopped Seat - Custom Forward Controls - Ear Shave - CCS-100 Cruise Control
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post #6 of 11 (permalink) Old 09-20-2012, 11:40 PM
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Check them again in about 100-200 miles... 25 miles isn't enough time to get a good reading.
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post #7 of 11 (permalink) Old 09-20-2012, 11:46 PM Thread Starter
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Will do. I was afraid that might be a little premature. Thanks.


1985 VN700 - 24,000 miles - Flat Black - AGM Battery - Chopped Seat - Custom Forward Controls - Ear Shave - CCS-100 Cruise Control
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post #8 of 11 (permalink) Old 09-21-2012, 06:31 PM
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I pretty much use those same filters...figure about 2-3000mi and ya replace em (one season)....mine were $7 each....you should be fine with your setup....but, as others have said, wait a few hunert miles and check the plugs again...but fer some reason, the VN700 accepts mods easier than the 750...Ive had no issues with mine...besides a loose cam chain...MCCT fixed that....



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post #9 of 11 (permalink) Old 09-29-2012, 01:42 AM Thread Starter
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Well, it's been 225 miles and the plugs still look perfect to me. I think the bike is perfectly happy with the stock jets. Could it really be that the VN700 is more flexible than the VN750? What would cause that?


1985 VN700 - 24,000 miles - Flat Black - AGM Battery - Chopped Seat - Custom Forward Controls - Ear Shave - CCS-100 Cruise Control
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post #10 of 11 (permalink) Old 09-29-2012, 11:29 AM
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Well it's also possible the previous owner already installed larger jets....as the bike is lean from the factory. If the bike seems to run better and feels like it has more top end power, you may have inavertedly corrected a poor jetting job by doing the earshave.......

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