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post #1 of 22 (permalink) Old 02-18-2012, 11:17 PM Thread Starter
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Newbie - VN750

Hello everyone,

I just got my first bike today but it's a project bike. It won't start and backfires. This will be a huge project and I hope I can learn a lot from other experiences.


1986 VN750
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post #2 of 22 (permalink) Old 02-18-2012, 11:25 PM
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Welcome to the Vulcan madness.
This link may help you with an organized plan to get your new scoot running:
http://www.dansmc.com/troubleshooting2.htm

We have many experienced rider/owners who will be able to help you with specifics to the vn750.

Good luck with the project.

Gordon

1991 VN 750 -"Cosmic Lady" or "Bad Girl"?
Purchased May 16, 2008
Approx.19,300km (12,000 miles)

H-D windshield
Relocated R/R
MF-AGM battery
Fiamm Freeway Blaster horns
F&S luggage rack and engine guard
Kury Offset Hiway pegs
July 13, 2016, Riding on the DARKSIDE now, Classic Radial 165/80-15


TOP TEN THINGS A NEW RIDER/OWNER SHOULD DO. Click on link.
https://www.vn750.com/forum/11-vn750-general-discussion/9127-top-ten-items-you-would-suggest-new-owner-do-his-new-ride.html
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post #3 of 22 (permalink) Old 02-18-2012, 11:30 PM
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Welcome to the forum. You came to the right place to get info on your bike.

JM2001

" Loud Pipes Risk Rights "

2001 Vulcan 750
marbled
TOC upgrade on ACCT
Air/fuel mixture set to 2 1/2 out
rectifier relocated
splines lubed
iridiums
decals removed
upgraded mirrors
Pic up coil mod done
degoated
All LED lighting
Upgraded Mosfet rectifier
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post #4 of 22 (permalink) Old 02-19-2012, 12:32 AM
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Welcome, with the vast knowledge held within this forum you should have your scoot up and running in NO time.

1986 Black Kawasaki Vulcan VN750 "Black KAWK"
VN750 #9300 & VROC #33453

EMGO Handlebar, V&H Exhaust, Drop Shocks, Raised/Painted Fork, MeanStreak Seat, Tank Bib, ME880 Oversize Tires, Engine Guard, Custom Mirrors, Chris Products Turn Signals, Ear Shave, 150/42 Jets, PINGEL Fuel Valve, MCCT, Volt Meter, Shendegen R/R, AGM Battery, Coastered, .020 Coils, Relo Gauges & Headlamp, SilverStar Ultra, LED Flashing Brake Light, Center Stand Delete, WOLO Airhorn.
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post #5 of 22 (permalink) Old 02-19-2012, 11:11 AM
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Welcome to the best infomation on the VN750, it will be of great help to you, got my project VN about 3 weeks ago when it arrived it would not start but would as you say backfire so first job for me was off with the carbs and a jet cleaning episode then new maintenance free battery and iridium plugs as soon as this was all done it fired straight up, hope this is of help to you

PS don't forget the oil and filter change as well
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post #6 of 22 (permalink) Old 02-19-2012, 01:33 PM
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Welcome to the forum yugten. Good luck on fixing your bike. When you get it to run right you'll have the same love affair like the rest of us.

shiny side up always

2003 Wine/Gray VN750 bought in 2005 w/2000 Miles
LED Tail/Brakelight & License Plate Light;Chrome Inspection Sticker Plate ;Battery Charging Quick Plug;Kuryakyn LED Battery Voltmeter;Throttle Rocker Palm Rest;Optronics Driving Lamps;KnifeMaker Floor Boards;Halogen Headlamp Bulb;OEM Engine Guard;Iridium Spark Plugs;OEM Luggage rack;Stebel Air Horn;Handlebar Clock; Handlebar Thermometer; Sealed Battery; Marbled; Leather Grip Covers; Rectangular Mirrors

~VROC~ # 389
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post #7 of 22 (permalink) Old 02-20-2012, 01:23 AM Thread Starter
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Thank you all guys for the warmth welcome. I am glad I joined this forum and I will share also my experiences in getting this bike fix.

1986 VN750
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post #8 of 22 (permalink) Old 02-21-2012, 04:50 PM
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Welcome. Where are all these '86 models coming from? There seem to be more '86 models around than all other years put together.

If you don't have internal engine problems or final drive spline problems, the rest of the Vulcan is pretty much like any other bike. If it sat for awhile, it will probably need a lot of cleaning and maintenance before it will run right.

Since it is so easy, my advice is to check the final drive splines first. Finding out if they are good or not may have a lot to do with how you decide to proceed. While you have it apart, if they are still good, clean everything and lube it with moly paste.

If it has not been started for awhile, I would first remove the plugs, squirt some oil in the cylinders, and turn the engine over by hand several turns. Sometimes pistons stick in the bore, and sometimes valves stick open after sitting a long time that way, and the piston will hit the valve, doing a lot of damage. Make sure it turns over freely.

I am a motorcyclist, NOT a biker.


1997 Vulcan 750, purchased about a week ago
2006 Sportster 1200 Low
2013 Royal Enfield Bullet 500, converted to carb
2001 Yamaha XT225, heavily modified
2004 Honda Rebel 250
1979 Vespa P200E
2002 Vulcan 750 parts bike
1994 Yamaha XT225 parts bike
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post #9 of 22 (permalink) Old 02-21-2012, 05:08 PM
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Quote:
Originally Posted by VN750Rider/Jerry View Post
Welcome. Where are all these '86 models coming from? There seem to be more '86 models around than all other years put together.

If you don't have internal engine problems or final drive spline problems, the rest of the Vulcan is pretty much like any other bike. If it sat for awhile, it will probably need a lot of cleaning and maintenance before it will run right.

Since it is so easy, my advice is to check the final drive splines first. Finding out if they are good or not may have a lot to do with how you decide to proceed. While you have it apart, if they are still good, clean everything and lube it with moly paste.

If it has not been started for awhile, I would first remove the plugs, squirt some oil in the cylinders, and turn the engine over by hand several turns. Sometimes pistons stick in the bore, and sometimes valves stick open after sitting a long time that way, and the piston will hit the valve, doing a lot of damage. Make sure it turns over freely.
The 1986s must be good bikes if there are so many still around
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post #10 of 22 (permalink) Old 02-21-2012, 11:03 PM
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Smile

Welcome to the best group of, like minded, people you will ever know. GL on your project. I also picked up a none running bike. Mines a '85 700. You shouldn't have any problems getting help and advise when you need it.

Live Free, Ride Much My Friends



Charlie

85 VN700
"SERENITY"
Replaced crankshaft and rod bearings
coasterd
earshaved
degoated
sportster mufflers installed

To do
Repaint tank, frt fender, and side covers
add saddle bags
add luggage rack
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