ear shave needle shims - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 13 (permalink) Old 08-27-2008, 09:56 PM Thread Starter
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ear shave needle shims

SO I used the sherms ear shave kit tonight and got her out and running. Tow questions. I used the needles that came with the kit and put the clips on the third slot form the top as directed. I plugged the vacuum line that uses to go to the vlave, but left the hose that used to go to the ear alone.... do I need to cap the too. Anyway it runs like a champ at idle but it stumbles while in the id range (cutting out) any ideas
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post #2 of 13 (permalink) Old 08-27-2008, 10:12 PM Thread Starter
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I guess I should add that I used 40 pilots and 142 mains..... I also have V&H cruzers, but I took the baffles out a long time ago

Last edited by m9e8n7k6e5; 08-27-2008 at 10:44 PM.
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post #3 of 13 (permalink) Old 08-28-2008, 01:39 AM
 
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Originally Posted by m9e8n7k6e5 View Post
SO I used the sherms ear shave kit tonight and got her out and running. Tow questions. I used the needles that came with the kit and put the clips on the third slot form the top as directed. I plugged the vacuum line that uses to go to the vlave, but left the hose that used to go to the ear alone.... do I need to cap the too. Anyway it runs like a champ at idle but it stumbles while in the id range (cutting out) any ideas
The hose that goes to the right "ear" I don't have plugged in at all - in fact I don't even have a hose. Not the smartest move I spose but I never suffered any problems until my stator croaked *sits tapping foot waiting for delivery of a new one*.

I'm guessing by valve you must have the plumbers nightmare VN750 pollution rubbish still attached - got me on that one, we didn't have to put up with that.

Cheers
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post #4 of 13 (permalink) Old 08-28-2008, 08:08 AM Thread Starter
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I have taken ALL the pollution control items off the bike. The port on the carb that once went to that valve i now have capped
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post #5 of 13 (permalink) Old 08-28-2008, 09:15 AM
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Under the fuel tank is a square plastic cover over the fuel sending unit with a nipple on it. Install the vent hose that use to go to the right ear on that nipple on the plastic cover. See if that clears things up.

Glenn

1985 VN700
Saddle Bags
Small Sport Windshield
R/R moved
Home built coasters
Kaw touring front fender
1990 Fuel tank
Kenda Kruz 110/90-19 & 170/80-15 tires
NGK Iridium plugs
NGK plug caps and 7mm copper core wires.
Deer Whistles

My VN700 pic's

VROC #7740
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post #6 of 13 (permalink) Old 08-28-2008, 12:19 PM Thread Starter
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I have, for the most part, solved my problems. I still have 40 pilots and 142 mains in, but I got rid of the after market needles and put the stock ones back in with 2 shims each. The bike runs pretty good. It idles great, but it still pops on hard decel, but only on the rear cylinder. Do I need to go even bigger on the mains in the rear? IT also seems a little flat between about 3k and 5k RMP.... What should I be adjusting in this range?
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post #7 of 13 (permalink) Old 08-28-2008, 12:34 PM
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Did you move the vent hose? I know it made a hellofa difference in the mid-range 3-5 grand on my bike. Maybe one more shim under the needles and open up the rear air fuel mixture screw a little more on the rear cylinder.

Glenn

1985 VN700
Saddle Bags
Small Sport Windshield
R/R moved
Home built coasters
Kaw touring front fender
1990 Fuel tank
Kenda Kruz 110/90-19 & 170/80-15 tires
NGK Iridium plugs
NGK plug caps and 7mm copper core wires.
Deer Whistles

My VN700 pic's

VROC #7740
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post #8 of 13 (permalink) Old 08-28-2008, 12:55 PM Thread Starter
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I have not moved the vent hose yet... I am planning on doing it when I get home from work today. Hopefully it helps
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post #9 of 13 (permalink) Old 08-28-2008, 01:07 PM
 
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I removed the vent hose to my carbs after the "T" and now it doesn't stumble at all while riding like it did before.

Now the only issue I am having is the rear cylinder still pops a little on decel.

I'm going to check the rear cylinder for header and exhaust leaks and the rear carb.

I also have shimmed the needles with 2 shims, 40 pilots, and 140 main on front and 142 on rear... I have also plugged the rear carb vac line as well...
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post #10 of 13 (permalink) Old 08-28-2008, 06:07 PM
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Sounds like your getting close.

Glenn

1985 VN700
Saddle Bags
Small Sport Windshield
R/R moved
Home built coasters
Kaw touring front fender
1990 Fuel tank
Kenda Kruz 110/90-19 & 170/80-15 tires
NGK Iridium plugs
NGK plug caps and 7mm copper core wires.
Deer Whistles

My VN700 pic's

VROC #7740
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