4 Spark Plugs? - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 29 (permalink) Old 06-23-2010, 10:36 AM Thread Starter
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Question 4 Spark Plugs?

Hi everyone. I am new to this forum and I just bought a 2002 Vulcan 750 with 10500 miles .
I will need to change the tires on it and I was reading about the drive shaft problems (I hope mine is still in one piece and there is some grease there).
I do not know a lot about the Vulcan in general but I am learning something new every day. I want to do a tune-up to the bike (spark plugs, balancing the carbs, brakes, fluids etc.) - I do that with everything I buy.
I saw that the bike has 4 spark plugs but it only has two cylinders. 2 spark plugs / cylinder is ok with me
Are all the spark plugs the same? If not, Is one cold and the other one hot?
I some posts the NGK DPR7EIX-9 saprk plug was mentioned. What do u think about them?
Thanks
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post #2 of 29 (permalink) Old 06-23-2010, 11:01 AM
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They are the same plugs all the way around and the NGK's are the best IMO

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post #3 of 29 (permalink) Old 06-23-2010, 11:09 AM Thread Starter
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Thanks. Should I change the wires too or should I "leave them alone"?
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post #4 of 29 (permalink) Old 06-23-2010, 11:15 AM
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Thats up to you, are they bad, if so replace them, want to go with higher preformace wires, if so replace them.

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post #5 of 29 (permalink) Old 06-23-2010, 11:19 AM
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The only thing with the wires is you do not want the resistor type wire. 7mm copper core silicone jacket is more than adequate for a stock ignition system. If you cannot find it at your local parts store Ron (Lance328) has it for sale.


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post #6 of 29 (permalink) Old 06-23-2010, 11:58 AM
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Here is a link to the verses with info about plugs and wires.
https://www.vn750.com/forum/showthread.php?t=1162

Check with lance328 if you think you need plug wires, as I believe he keeps the NGK components in stock, and at a better price than elsewhere.

Somebody posted a year or so ago that he got wires cheap, off a Volvo in the auto wreckers, that are copper core and non-resistor, and worked well on the vn.

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 #7 of 29 (permalink) Old 06-23-2010, 12:04 PM
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Quote:
Originally Posted by OlHossCanada View Post
Here is a link to the verses with info about plugs and wires.
https://www.vn750.com/forum/showthread.php?t=1162

Check with lance328 if you think you need plug wires, as I believe he keeps the NGK components in stock, and at a better price than elsewhere.

Somebody posted a year or so ago that he got wires cheap, off a Volvo in the auto wreckers, that are copper core and non-resistor, and worked well on the vn.
Gordon, I have to say that you are the man when it comes to finding posts and info. I know its there but i get frustrated and give up.


34k so far
VN750.com member #613
Keep the shiny side up
coastered
de-goat and baffles removed
jetted 42-150 2 shims
Earshaved with unifilters
inside of tank coated
spline lube
long Beach Blue Pearl Paint 4/07
Shindengen FH012AA r/r
TPE stator
Exide sc30lfa Battery 28ah 445cca
Saddlemen saddlebags
2001 HD fatboy solo seat
Custom taillight & rear turn signals
Fergy's coil relay mod
Fiamm El-Grande high/low tone horns
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post #8 of 29 (permalink) Old 06-23-2010, 12:58 PM Thread Starter
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Thank you guys. I will check the local parts store for the wire and then go from there.

Another question regarding maintenance... How often do u change the cooling liquid, shaft drive oil, fork oil, balance the carbs etc?

I usually change the oil every 3000 miles, at the end and the beginning of the season. I usually balance the carbs at the beginning of every season.

I never owned a liquid cooled motorcycle so I have no idea regarding this. My last motorcycle was a 1981 GS450 that I purchased 3 years ago (I rebuild the engine, carbs, repaint, redid electrical, brakes, forks, shocks etc) and I traded that bike + $$ for the Vulcan.
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post #9 of 29 (permalink) Old 06-23-2010, 01:04 PM
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I`m glad that I can help someone else right now, because I have to lay in bed or my easy boy chair for the next two weeks with my leg supported higher than my heart to keep the swelling down, after the surgery 12 days ago. If it wasn`t for this forum I would have gone stir crazy a long time ago.

Joe, what is the difference between the Fiamm El-Grande horns you have in your sig line, and the Freeway (or maybe they are called Highway) Blasters. I can`t find the El-Grande`s listed anywhere.

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/showthread.php?t=9127
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post #10 of 29 (permalink) Old 06-23-2010, 01:25 PM
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Quote:
Originally Posted by NightRat View Post
Thank you guys. I will check the local parts store for the wire and then go from there.

Another question regarding maintenance... How often do u change the cooling liquid, shaft drive oil, fork oil, balance the carbs etc?

I usually change the oil every 3000 miles, at the end and the beginning of the season. I usually balance the carbs at the beginning of every season.

I never owned a liquid cooled motorcycle so I have no idea regarding this. My last motorcycle was a 1981 GS450 that I purchased 3 years ago (I rebuild the engine, carbs, repaint, redid electrical, brakes, forks, shocks etc) and I traded that bike + $$ for the Vulcan.
If you get a service manual, there is a table with a service schedule for what needs to be done and how often, in mileage or time.
There is a free, downloadable vn750 manual here: http://www.tocmanufacturing.com/Products.htm

Scroll down to "Other Links", and the manual is the first link.

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/showthread.php?t=9127
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