Jump start bike with car? - SV650.org

17-01-11, 09:40 PM

Well, MOT day tomorrow, only just remembered

Last time I tried to start the bike it took a worryingly long time to come to life after all that time sitting in the cold. That was a over a month ago, I havent dared start it since.

I had planned on getting a charger before the MOT but it seems I had my dates mixed up...

So, worse comes to worse, if she doesnt fire tomorrow, is it safe to jump it off the car? Google tells me I can but there are a few mumurs of damage possible due to the car battery pushing more amps or something.

Rather trust the org to tell me - safe enough to do?

TSM · 17-01-11, 09:43 PM

yes fine, just dont start the car engine as the car generates too much power to charge the bike battery, starting the bike has little effect on the car battery overall

Sid Squid · 17-01-11, 09:47 PM

Quote:

Originally Posted by TSM

just dont start the car engine as the car generates too much power to charge the bike battery

Care to explain why? As long as it's a 12V system you can do what you like, of course the car's battery won't even notice the bike is there so there's not even any need to have it running.

There is no such thing as 'generates too much power' in this circumstance.

17-01-11, 09:48 PM

i agree with tsm mostly
depending on your car you could still have the engine running like my Suzuki Alto, the battery is same amps and amp/hrs only bigger in actual size.

Sid Squid · 17-01-11, 09:50 PM

Battery capacity is irrelevant, a 12V system is a 12V system.

17-01-11, 09:58 PM

Quote:

Originally Posted by Sid Squid

Battery capacity is irrelevant, a 12V system is a 12V system.

That's what I was hoping, but had to check!

I cant visualise my battery terminals...will I have space to get jump leads down there (the ones I have are quite chunky car ones) or will I have to manipulate the battery?

TSM · 17-01-11, 10:00 PM

Quote:

Originally Posted by Sid Squid

Care to explain why? As long as it's a 12V system you can do what you like, of course the car's battery won't even notice the bike is there so there's not even any need to have it running.

There is no such thing as 'generates too much power' in this circumstance.

too much current then, you should not charge a bike battery with high current or it can damage the battery, prolly a long time thing rather than a one min dont know

TSM · 17-01-11, 10:01 PM

Quote:

Originally Posted by hongman

That's what I was hoping, but had to check!

I cant visualise my battery terminals...will I have space to get jump leads down there (the ones I have are quite chunky car ones) or will I have to manipulate the battery?

i just clamp negative to bike frame and then leaves me only to deal with positive terminal while handling the battery for positive connectio

17-01-11, 10:02 PM

I with sid squid on this one, you wont need to start it, but it will charge if the car was on.

TSM · 17-01-11, 10:05 PM

Quote:

Originally Posted by beabert

I with sid squid on this one, you wont need to start it, but it will charge if the car was on.

it will charge regardless anyway even with the car off as it will draw current from the car battery till its either full or balanced between
SidSquid will prolly write somthing far better to understand than me

17-01-11, 09:40 PM	#1
hongman Guest Posts: n/a	Jump start bike with car? Well, MOT day tomorrow, only just remembered Last time I tried to start the bike it took a worryingly long time to come to life after all that time sitting in the cold. That was a over a month ago, I havent dared start it since. I had planned on getting a charger before the MOT but it seems I had my dates mixed up... So, worse comes to worse, if she doesnt fire tomorrow, is it safe to jump it off the car? Google tells me I can but there are a few mumurs of damage possible due to the car battery pushing more amps or something. Rather trust the org to tell me - safe enough to do?

17-01-11, 09:43 PM	#2
TSM The Sick Man Mega Poster Join Date: Nov 2004 Location: Peckham.SE.LDN Posts: 4,768	Re: Jump start bike with car? yes fine, just dont start the car engine as the car generates too much power to charge the bike battery, starting the bike has little effect on the car battery overall __________________ OTR: KTM 690 Duke R 2015 Full Akro SIDELINE: Kwak ZX636 A1P 2002, Red, R&G's, Yoshi, Double Bubble Screen GONE: Kwak ZX-7R P1, Full Akro, Undertray, Screen GONE: SV650S K2 Very Bruised & Without Fairing, Motovation Frame Sliders, R&G Ally Sprocket Toe Protector, HEL 2 Line Setup, GSXR K1 600 RWU Forks, Barnett Clutch & Springs, Penske 8981 Shock, Gilles Ti Rearsets, Steel Barends, Scottoiler, AFAM Chain & Sprockets, Twin FIAMM Horns, Skidmarx Bellypan, Full Micron Zeta Steel System, Cut down undertay. Forum Problems & Information / Site Suggestions

17-01-11, 09:48 PM	#4
sunshine Guest Posts: n/a	Re: Jump start bike with car? i agree with tsm mostly depending on your car you could still have the engine running like my Suzuki Alto, the battery is same amps and amp/hrs only bigger in actual size.

17-01-11, 09:50 PM	#5
Sid Squid No, I don't lend tools. Mega Poster Join Date: Jul 2003 Location: Skunk Works, Nth London Posts: 8,680	Re: Jump start bike with car? Battery capacity is irrelevant, a 12V system is a 12V system. __________________ If an SV650 has a flat tyre in the forest and no-one is there to blow it up, how long will it be 'til someone posts that the reg/rec is duff and the world will end unless a CBR unit is fitted? A little bit of knowledge = a dangerous thing. "a deathless anthem of nuclear-strength romantic angst"

17-01-11, 10:02 PM	#9
beabert Guest Posts: n/a	Re: Jump start bike with car? I with sid squid on this one, you wont need to start it, but it will charge if the car was on.

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