Iridium Plugs - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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Where does this wire go?
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post #1 of 9 (permalink) Old 04-05-2012, 09:49 AM Thread Starter
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Angry Iridium Plugs

Are these the plugs that everyone recommends for the 750:

http://www.ebay.com/itm/380426162401...ht_2497wt_1141

Is that a decent price. Do these plugs usually come pre-gapped for our bikes?

Not sure if there are different kinds of Iridium plug to choose from...

Thanks...



Pete Herrmann
1994 Vulcan 750 40K on the clock and counting....

Bought 4/2011 28k Miles,
New Rick's Motorsports R/R
Tim Parrot Stator
Tuxedo Mod
KAW Saddlebag/signal relocation brackets
NGK Iridium Plugs
TOC MCCT's
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post #2 of 9 (permalink) Old 04-05-2012, 09:55 AM
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Yes.
I got them cheaper at a local auto parts store but that isn't way off.
And you will have to gap them yourself. Its good practice to tripple check your gap.
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post #3 of 9 (permalink) Old 04-05-2012, 09:57 AM
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Did you read this post, just under yours?
https://www.vn750.com/forum/showthread.php?t=20893

If You Are Not Sure If I Am Joking or Not....I AM !!Photos:
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post #4 of 9 (permalink) Old 04-05-2012, 09:57 AM
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Yes,right plug. I got mine at Advance Auto for $6.99. They use stock number 7803 for the plug, comes out a cheaper price. They are pre-gapped but you should check them. The tip is so fine that it is risky re-gapping them.

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 #5 of 9 (permalink) Old 04-05-2012, 10:08 AM Thread Starter
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Quote:
Originally Posted by Knifemaker View Post
Did you read this post, just under yours?
https://www.vn750.com/forum/showthread.php?t=20893
Yeah I saw it. I just figured I'd start a new thread because I know how much that annoys you.......



Pete Herrmann
1994 Vulcan 750 40K on the clock and counting....

Bought 4/2011 28k Miles,
New Rick's Motorsports R/R
Tim Parrot Stator
Tuxedo Mod
KAW Saddlebag/signal relocation brackets
NGK Iridium Plugs
TOC MCCT's
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post #6 of 9 (permalink) Old 04-05-2012, 10:19 AM
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Quote:
Originally Posted by peterherrm View Post
Yeah I saw it. I just figured I'd start a new thread because I know how much that annoys you.......
Yes, laziness does annoy me...;

If You Are Not Sure If I Am Joking or Not....I AM !!Photos:
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post #7 of 9 (permalink) Old 04-05-2012, 02:55 PM
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Do NOT try to re-gap those plugs, as those fine wires are too fragile. If they look to be in the ballpark, leave them alone. I wouldn't even recommend using a tool to check the gaps on them. Too easily damaged.

05 VN750
Iridium Plugs
Spline Lubed front/rear
ignition pickups gapped
AGM Battery
Relocated MOSFET R/R
Coaster Mod
Pilot Screws at 2-1/4 turns
Slipstreamer S-08 Windshield
F&S Saddlebags/Mounts
Luggage Rack
12V Outlet
Mustang Seat
sissy bar
Oversized Pirelli Front Tire
6k miles

PW50, XR50, TTR90, XR100, DT175 (2-smoker), CRF230F, XR250R (dual sported), XR400R 4 KIDS, LOL!

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post #8 of 9 (permalink) Old 04-05-2012, 10:35 PM
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Quote:
Originally Posted by M_Angell View Post
Yes.
I got them cheaper at a local auto parts store but that isn't way off.
And you will have to gap them yourself. Its good practice to tripple check your gap.
I used to have a link to an NGK chart saved, but cannot find it right now.
As I recall, on NGK spark plug number DPR7EIX-9, the "9" refers to the plug gap measured in mm, and means 0.9mm.

In reality, I believe the DPR7EIX-9 plug comes pre-gapped between 0.8-0.9 mm, (0.032- 0.036") which is exactly what vn750 specs call for.
Checking the gap is fine, but adjustments should not be needed on these new plugs.

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

Last edited by OlHossCanada; 04-05-2012 at 10:44 PM.
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post #9 of 9 (permalink) Old 04-06-2012, 10:43 AM
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Bought iridiums a couple of years ago. Took them out of the box, never touched the tips, screwed them in and felt the increased power. Do not gap them or check them with a tool. If you bought the ones recommended for our bike just pop them in and enjoy.

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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