Tach - Kawasaki Vulcan Forum : Vulcan Forums
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post #1 of 12 (permalink) Old 08-05-2019, 04:22 PM Thread Starter
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Tach

Hello my vulcanian brothers? I’m adding a tach to my 900 and was wondering if anyone knows what rpm these motors redline at. I roll slow and low so I don’t plan on hitting it mostly curious because I’m also adding a 34 tooth baron front pulley soon and I want to see the rpm difference.
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post #2 of 12 (permalink) Old 08-05-2019, 07:46 PM
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I believe the rev limiter starts at 7100 RPM. The motor runs out of puff sometime before this though.
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post #3 of 12 (permalink) Old 08-06-2019, 01:29 PM Thread Starter
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Thanks jbiggers.
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post #4 of 12 (permalink) Old 08-16-2019, 11:53 AM
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Get the cobra one. Barons might be bigger, but its a piece of crap.Cobra one, from the guys here, is steady and perfect. It seems to be cheaper now too Worth the extra money anyway.


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post #5 of 12 (permalink) Old 08-16-2019, 01:54 PM Thread Starter
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I bought the Bikers Choice mini tach off Amazon. Looks good. Super bright blue backlight which works cuz my bike is blue but im wondering if i hooked it up wrong or got wrong info. I was told rev limiter at 7100 Seems ready explode at 3500! I havnt hit the rev limiter since install but i will tonight. Almost like its cut in half.
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post #6 of 12 (permalink) Old 08-16-2019, 06:15 PM
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Is it set up correctly? Sounds like it's reading about half what it should. I have the Kawasaki tach for a 900 LT (tach is no longer made) and it seems to work great. Is your tach designed for a 2 cylinder 4 stroke engine? Does it show about 1000 rpm at warm idle? The calibration is different for each engine type (number of cylinders), as it counts pulses from the coil wire.

Ok, I'm going to reach way out there and hazard a guess, that the tach you bought is for a dual spark plug Harley, not a single spark like the Vulcan 900. But this is reaching way out there with a guess, and I could really be wrong here, so I apologize if I am wrong.

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post #7 of 12 (permalink) Old 08-16-2019, 07:45 PM
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I know the older 900's were single fire

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post #8 of 12 (permalink) Old 08-16-2019, 10:04 PM
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The new ones are single fire as well. Did it come with a tach adapter for single fire? If it didn't that would explain only half the readings you should have,


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2017 Vulcan 900 Classic
Mustang seat with back rest
OEM Engine guards
OEM Radiator protector
Airlite Engine Guard chaps
Black Kuryakyn Kinetic Grips with Throttle Boss
Memphis Shades Batwing
Memphis Shades Lowers
2 inch risers by Chucksters Customs
Cobra Luggage Rack
Classic LT Kawasaki saddlebags
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Show Chrome Front Fender Rail




Gone but not forgotten:
2013 Honda Shadow Aero 750
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post #9 of 12 (permalink) Old 08-16-2019, 10:08 PM
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Actually just looked up your tach on Amazon, and it's not for single fire ignitions.
At least you got it at amazon. They take it back no questions asked.


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2017 Vulcan 900 Classic
Mustang seat with back rest
OEM Engine guards
OEM Radiator protector
Airlite Engine Guard chaps
Black Kuryakyn Kinetic Grips with Throttle Boss
Memphis Shades Batwing
Memphis Shades Lowers
2 inch risers by Chucksters Customs
Cobra Luggage Rack
Classic LT Kawasaki saddlebags
Mustang Tank Bib
Show Chrome Front Fender Rail




Gone but not forgotten:
2013 Honda Shadow Aero 750
1998 Yamaha Virago 1100
1985 Kawasaki 440
1984 Honda 250 Custom
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post #10 of 12 (permalink) Old 08-16-2019, 11:32 PM Thread Starter
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Yea i think its reading half. My warmed up idle with adjustment almost all the way down cuz it sounds bitchen with the cobra speedster slashbacks is 500-550 Dogonit. I threw out the box n stuff. Amazon said “This fits your 2006 kawasaki vulcan”. Even though it doesn't work i guess it fits!! Well its a reference anyway. I really just wanted to see the rpm difference when i change the front pulley. I think this tach was supposed to come with another part. The adapter that denali1234 talked about earlier. I saw a video on it and they talked about this, ill have to find it. Thank you all for your input. I would be completely lost without this forum!! I will report my findings, even if i scrap it?
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