Reed Valve Plate - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 8 (permalink) Old 05-15-2015, 02:10 PM Thread Starter
FastHamFreddy
 
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Reed Valve Plate

Alright so and update. I did the stator mod and rr relocation no problem at all... The front forks have new seals and oil, and the rear bearings. So that was a ton of fun. I got it charging again and she is riding.

So now I am trying to figure out why the bike wants to rev so high when I am in neutral. I found some air is going into the reed valve. My buddy told me I could just do a plate mod.

This is where you will have to excuse me. I try to understand all of this, but I am partially shooting in the dark here figuring it out as I go.

My question is how to do the plate mod. Is it as simple as just removing the read valve and hoses and just putting the plates over where they were with a gasket, and I am ready to ride? Does anything else need to be plugged up? Or can I only do this if I am doing the entire ear shave mod?

Thanks!
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post #2 of 8 (permalink) Old 05-15-2015, 02:13 PM
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What you want to do is referred to as the coaster mod. Yes you essentially cut a plate that is the same shape as the reed valve housing and you bolt it on sealing it with a bit of rtv. You can also put caps on where the hoses hooked up.

2003 vn750
1988 Pontiac Trans Am (project/driver)
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post #3 of 8 (permalink) Old 05-15-2015, 02:18 PM
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That's the way to do 'coasters', but if you still have the airbox you need to plug one hole there.

Pull the hoses and valve off, then cap the vacuum on the right side carb.

2003-21k mi
Shaved w/UniPK92+Stock Jets-TPE/MOSFET-Shinko Tires-AGM batt-bags-chrome-LEDs...more
__________________________________________________ ____________
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post #4 of 8 (permalink) Old 05-15-2015, 02:24 PM Thread Starter
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I had the plates made by a buddy of mine. I found the specs on here (picture attached). But so just to confirm...

If I remove the plactes that have the nipples to attache the hoses, and replace them with the ones I had made with sealant/gasket I am good to go? nothing else to seal up or plug?
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post #5 of 8 (permalink) Old 05-15-2015, 02:25 PM Thread Starter
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Nevermine ok. I got to cap the vacuum on the carb. Gotcha.

MUCH APPRECIATED!
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post #6 of 8 (permalink) Old 05-15-2015, 02:54 PM
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I just realized I don't think I really sealed mine, just left whatever gasket material that was on there, there. What's the consequence of not having it airtight?

'92 Kawasaki Vulcan 750

Mods:
Rattle-can high gloss black paint job
Frame, engine, Headers/exhaust painted satin black
Ears shaved, K&N pod filters
TPE Stator, MOSFET R/R, Magna Power AGM battery
Pickup Coil mod
New mirrors, grips, cables
VN900 seat
Straight pipes with 8" baffles
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post #7 of 8 (permalink) Old 05-15-2015, 03:55 PM
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Could still have a slight popping on decel

2003 vn750
1988 Pontiac Trans Am (project/driver)
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post #8 of 8 (permalink) Old 05-15-2015, 04:53 PM
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Quote:
Originally Posted by kagaku View Post
I just realized I don't think I really sealed mine, just left whatever gasket material that was on there, there. What's the consequence of not having it airtight?
You might hear some noise or get a little hot air leaking out. I've run mine briefly with the coaster removed, there's some air, but not much pressure or volume. Sounds like a tiny air compressor, just kind of spitting a jet of air every couple of seconds.

2003-21k mi
Shaved w/UniPK92+Stock Jets-TPE/MOSFET-Shinko Tires-AGM batt-bags-chrome-LEDs...more
__________________________________________________ ____________
Repair Manual: http://www.mediafire.com/file/mj7z81..._Catalogue.pdf

Owner's Manual: http://www.mediafire.com/file/nscb5f...ers+Manual.pdf
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