Low Budget bikes - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 60 (permalink) Old 02-27-2018, 09:57 PM Thread Starter
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Figured id better just start a build thread to keep track of my builds and to possibly get some good advice.

So the back story, my wife and I decided we might want to start riding motorcycles. Neither of us have ever ridden one before, but how hard can it be? Ha

First I found an 85 VN700 that has been totally disassembled and engine freshened up, and a fresh powder coat on the frame, but in purple... it also came with a complete parts bike. Its on the back burner.

Then we bought a 99 VN750 that a young kid had and couldnt get running. After getting it home and pulling the carbs, they were in bad shape. The plate between them was broke where the throttle linkage attaches and the top of one of them looks like it has been beaten with a hammer. Luckily I had a parts bike! Those carbs looked great and fairly clean. Pulled out the plastic air box and did the ear shave while I was there, then reinstalled the carbs. Dang them things are a PITA to install!!! Anyway I got it running and drove it up the road! Love it! Now the petcock valve leaks (have one on order) and one of the carbs leaks from the idle air adjust screw. Will post updates here hopefully soon...
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TR_Irish likes this.

- 1999 Kawasaki Vulcan 750
Ear shaved
Mufflers removed / 38/140 + 2 shims
Relay coil mod
Pick-up coil mod
Emissions removed
Lowered rear
Rear blinkers located in tail light housing
Petcock gutted

- Wife's: 2018 Can-am Spyder F3 Limited Pearl White

Last edited by lugnut1009; 02-27-2018 at 10:17 PM.
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post #2 of 60 (permalink) Old 02-28-2018, 07:22 AM Thread Starter
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Couldn't get my other pic to upload last night on my phone. I will try to document with pictures a little better than I have so far.
TR_Irish likes this.

- 1999 Kawasaki Vulcan 750
Ear shaved
Mufflers removed / 38/140 + 2 shims
Relay coil mod
Pick-up coil mod
Emissions removed
Lowered rear
Rear blinkers located in tail light housing
Petcock gutted

- Wife's: 2018 Can-am Spyder F3 Limited Pearl White
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post #3 of 60 (permalink) Old 02-28-2018, 09:30 AM
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Wow that surely is a purple bike!

I would suggest that you and your wife take the Motorcycle Safety Foundation basic rider course. Professionally trained riders have fewer accidents than friend/relative/self-taught riders, and when they do, their injuries are less severe.

I'm keepin' all the left over parts. I'm gonna use 'em to build another bike!
_____________________________________________
"Black Beauty"
1989 VN750 acquired December, 2008, 6,711 miles
Currently 23,298 miles

Old Blue
2001 Honda CMX250 Rebel acquired July, 2008

1987 VN750 project bike, acquired August, 2009, 33,000 miles and balancer sticking out of the case, currently awaiting attention and parts
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post #4 of 60 (permalink) Old 02-28-2018, 01:56 PM Thread Starter
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Found a really easy way to block off the exhaust ports instead of making coasters, the tube size is perfect to tap for 1/4" pipe threads. Then just install a plug.

Untitled by lugnut1009, on Flickr

https://flic.kr/p/23pk1q8

- 1999 Kawasaki Vulcan 750
Ear shaved
Mufflers removed / 38/140 + 2 shims
Relay coil mod
Pick-up coil mod
Emissions removed
Lowered rear
Rear blinkers located in tail light housing
Petcock gutted

- Wife's: 2018 Can-am Spyder F3 Limited Pearl White

Last edited by lugnut1009; 03-01-2018 at 07:11 AM.
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post #5 of 60 (permalink) Old 02-28-2018, 09:03 PM
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+1 on the MSF course!!!!!

'99 Vulcan "Victoria"
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post #6 of 60 (permalink) Old 03-01-2018, 07:17 AM Thread Starter
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Finally figured out how to post pictures from Flickr.

Last night I plugged the exhaust pressure ports on the 99, found a vent tube I didn't plug off the other day, and took it up the road again for a quick test ride. Ran great. The fuel petcock valves from Amazon (china...) came in and they are completely wrong, not really surprised. I will return them, but in the meantime I will try to stop this one from leaking. Can't wait to get started on my 85!

One thing I've been researching a little is a good budget friendly way to lower my wife's 99. Everything I've read seems to point to cutting some foam out of the seat and having it recovered and replacing the rear shocks with shocks off of a suzuki savage 650. Am I on the right track?
OleDirtyDoc likes this.

- 1999 Kawasaki Vulcan 750
Ear shaved
Mufflers removed / 38/140 + 2 shims
Relay coil mod
Pick-up coil mod
Emissions removed
Lowered rear
Rear blinkers located in tail light housing
Petcock gutted

- Wife's: 2018 Can-am Spyder F3 Limited Pearl White
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post #7 of 60 (permalink) Old 03-01-2018, 10:55 AM
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Quote:
Originally Posted by lugnut1009 View Post
Finally figured out how to post pictures from Flickr.

Last night I plugged the exhaust pressure ports on the 99, found a vent tube I didn't plug off the other day, and took it up the road again for a quick test ride. Ran great. The fuel petcock valves from Amazon (china...) came in and they are completely wrong, not really surprised. I will return them, but in the meantime I will try to stop this one from leaking. Can't wait to get started on my 85!

One thing I've been researching a little is a good budget friendly way to lower my wife's 99. Everything I've read seems to point to cutting some foam out of the seat and having it recovered and replacing the rear shocks with shocks off of a suzuki savage 650. Am I on the right track?
I've used the savage shocks and a set of 10.5" progressive shocks for a sportster

Sent from my LGL34C using Tapatalk
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I am a BIKER and i'm proud.FREEBIRDS MC CENTRAL NY

lowered with progessive 412 10" shocks
rejetted for K/N Pods part#rc 2340
sportster seat

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post #8 of 60 (permalink) Old 03-01-2018, 01:57 PM Thread Starter
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Took apart the stock petcock today and rebuilt it with new o-rings. Hope the diaphragm doesn't leak on me again. But if it does, has anybody just removed the diaphragm and installed a flat solid gasket without the valve seat and spring? Seems like an easy way to get rid of the leaky problematic vacuum valve portion and have a normal dual outlet fuel petcock...

**Tried searching, couldn't find anything

- 1999 Kawasaki Vulcan 750
Ear shaved
Mufflers removed / 38/140 + 2 shims
Relay coil mod
Pick-up coil mod
Emissions removed
Lowered rear
Rear blinkers located in tail light housing
Petcock gutted

- Wife's: 2018 Can-am Spyder F3 Limited Pearl White
lugnut1009 is offline  
post #9 of 60 (permalink) Old 03-01-2018, 06:15 PM
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Quote:
Originally Posted by lugnut1009 View Post
Took apart the stock petcock today and rebuilt it with new o-rings. Hope the diaphragm doesn't leak on me again. But if it does, has anybody just removed the diaphragm and installed a flat solid gasket without the valve seat and spring? Seems like an easy way to get rid of the leaky problematic vacuum valve portion and have a normal dual outlet fuel petcock...

**Tried searching, couldn't find anything
There was a thread, or some posts, where the stock petcock was modified to flow without vacuum. Don't recall the details.

But it's not hard to rebuild the petcock.

edit: First one I clicked on: https://www.vn750.com/forum/22-carbs-...petcock-4.html

From post #6 by wmsonta:

Quote:
To eliminate vacuum control, remove the spring and shorten the protrusion on the opposite side of that spring. If the protrusion provides a 'seat', simply removing the spring/disconnecting the vacuum source will remove vacuum control. If the resulting fuel delivery is insufficient, find a spring with a slightly larger diameter than the protrusion and install it on the gas side of the diaphragm using the protrusion as the spring guide. You quite possibly could remove the spring and just turn the diaphragm around. Install it backwards.

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

Last edited by Spockster; 03-01-2018 at 06:24 PM.
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post #10 of 60 (permalink) Old 03-01-2018, 06:39 PM
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Deleted double post.

High winds here, went out to move my truck, electric went off, forum login timed out and the other post wasn't showing, so I posted again. Squall line is really kickin it here.

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

Last edited by Spockster; 03-01-2018 at 06:42 PM.
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