Starting in the cold - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 20 (permalink) Old 01-16-2017, 01:59 AM Thread Starter
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Starting in the cold

Its been in the low 40's in California and the bike hasn't been happy to start. Sometimes I need to use a bit of starting fluid. Is this pretty common. Are these bikes cold blooded?


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post #2 of 20 (permalink) Old 01-16-2017, 10:16 AM
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In my experience, ALL carbureted Kawasaki's are cold blooded.

Engineer/Motorcycle Junkie

Junction Box Bypass:
https://www.vn750.com/forum/19-electr...-problems.html
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post #3 of 20 (permalink) Old 01-16-2017, 10:55 AM
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yup yup.

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post #4 of 20 (permalink) Old 01-16-2017, 11:30 AM
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I'd say the enricher (choke) isn't working.

Definitely cold blooded, have to choke mine if it's been parked a half hour in summer. But it does always fire pretty quick with no hassle.

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__________________________________________________ ____________
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post #5 of 20 (permalink) Old 01-16-2017, 11:41 AM
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do you have an AGM battery?

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Support your local FREEBIRDS MC
1986/5 Vn700/750 Frankenfook cross eyed bitch "Mellisa Fayhe"
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

'I didn't lose my mind.i gave it away

BRING BACK WOLFIE."Peace and Carrots"RIP
"And I'm free...as a bird"John Lennon Free as a Bird
"I only carry when I have my pants on"Joe Robinson RIP aka Old Dog
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post #6 of 20 (permalink) Old 01-17-2017, 05:18 PM
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I use the choke every time I start the bike for first time,cold or summer,and I dont hold the start button,I just touch it,after a few times,fires right up. I'd like to think the Iridium plugs and AGM battery helped. Good luck.
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post #7 of 20 (permalink) Old 01-17-2017, 08:10 PM
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This is probably the fourth time I've seen the AGM battery mentioned on this site. What's up with that?
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post #8 of 20 (permalink) Old 01-18-2017, 12:55 AM
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Quote:
Originally Posted by Gibby View Post
This is probably the fourth time I've seen the AGM battery mentioned on this site. What's up with that?

It's a battery type, the construction and materials. Absorbed Glass Mat.

Costs a bit more than a wet cell, but well worth every penny and a $5 tip.

Many reasons they are better... won't vent acid into the R/R and connector. Holds charge better and delivers more voltage, less affected by cold. Most of us believe the VN starts better with one, they are definitely sensitive to low cranking volts, which affects the IC Ignitor. (engine backfires, won't start)
__________
https://en.wikipedia.org/wiki/VRLA_battery

Wet Cell/Lead Acid
The underlying fault with all lead acid batteries is the requirement for an excessively long charge time arising from a two-stage process: bulk charge and float charge. All lead acid batteries, irrespective of type, are quick to charge to 70% of capacity within 2 or 3 hours, but require another 9 to 10 hours to "float charge" after the initial charge. If users fail to float charge, battery capacity is dramatically reduced. All types of batteries have a "memory" in that every time a user charges to less than 100% charge, battery capacity is shortened. A lead acid battery could reach 4,600 cycles if it were kept on a shelf and kept at the right state of charge.

AGM
Because of calcium added to its plates to reduce water loss, a sealed AGM battery recharges more quickly than a flooded lead acid battery of either VRLA or conventional design.[13][14] "From a standard car alternator they will recharge quickly from full use in about 2 to 3 hours. A deep cycle wet cell battery can take 8-12 hours to achieve only 70% to 80% of its potential charge. (charge rate for car battery)

AGM & Gel VRLA batteries:

Have shorter recharge time than flooded lead-acid.[17]
Cannot tolerate overcharging: overcharging leads to premature failure.[17]
Have shorter useful life, compared to properly maintained wet-cell battery.[17] (disagree here).
Discharge significantly less hydrogen gas.[17] (and acid)
AGM batteries are by nature, safer for the environment, and safer to use.
Can be used or positioned in any orientation.
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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
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post #9 of 20 (permalink) Old 01-18-2017, 01:05 AM
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Quote:
Originally Posted by Paulywog View Post
I use the choke every time I start the bike for first time,cold or summer,and I dont hold the start button,I just touch it,after a few times,fires right up. I'd like to think the Iridium plugs and AGM battery helped. Good luck.
Aren't we glad there's no kickstarter on these bikes?

Actually that starting method is most like kick starting. Gets the vacuum going, opens the petcock, allows time for the gas to flow. My rear carb is always out of gas after short term storage, runs 10-30 sec on one cylinder sometimes. It always starts.

Maybe I'll try that bump method instead of 15 second cranks.
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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
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post #10 of 20 (permalink) Old 01-18-2017, 06:58 AM
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Thanks Spockster. That's some good information to know.
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