| What I learned today Post it here to help others from having to learn it the hard way. Please limit it to bike related threads. |
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TLZone Commercial Vendors.
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01-12-2008, 11:42 PM
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#11 (permalink)
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Upside Down Super Mod
Member #103
Posts: 37,819
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Steve TLS
is TLess
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A manual and a multimeter will lead you to the trouble. 
No you shouldn't jump start a bike that uses a permanent magnet alternator like our engines do with a running vehicle.
Our regulators regulate by shunting - shorting out the coils of the alternator to adjust the output. The regulator is designed to shunt what our stators can output.
If you jump of a running vehicle and its running voltage will be high. The bike's regulator will try and shunt all of the power of the running vehicle. It physically can't do it.   |
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01-12-2008, 11:58 PM
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#12 (permalink)
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One Liter Duc Eater
Member #2881
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haiiro99
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Thanks Steve. That's something I'll have to remember next time I need to jump mine as well.
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Brown man in a white van
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01-13-2008, 06:52 AM
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#13 (permalink)
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Superbike Twin
Member #12315
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Bikenamspike
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damn right!!! I will try to check those out. I really fucked up my riding for a minute. But I thank you guys.
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 Outside Fuel Filter System MOD... New battery...New selonoid...new "ZERO" windscreen...new CR9EK plugs...new DOT4 brake fluid...new LED mirrors...new Stock clutch,rear and front brake levers...new grips... ...had a new smile until I found I still have OLD problems. HELP!!!!!ThanX Kelly is the name... "Spike" is my Bike. Check The Garage.
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01-13-2008, 11:05 AM
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#14 (permalink)
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Silver Subscriber
Member #1366
Posts: 4,625
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rufer
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That is a good technical explanation, Steve.
But still, I had to bump start my TLS about 27 times and there was no additional damage (there was an issue in the loom that caused the charging problems).
Greetings
Rufer
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2x TL1000SW, candy jade lime yellow. TL1000cup.de champion 2007, 2008 & 2009
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01-13-2008, 11:16 AM
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#15 (permalink)
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Moderator
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1crock
has no witty saying for
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Rufer, i do believe he meant JUMPstart, not bump start. Bump starting involves rolling the bike and popping the clutch to start it via the rear tire turning whichis what you are talking about. Bump starting will not hurt the charging system. 
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01-13-2008, 01:21 PM
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#16 (permalink)
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Silver Subscriber
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rufer
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Ops. I meant jump start in this case
Bump starting a cold TL engine proved impossible on a flat road/pit area for me 
Greetings
Rufer
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2x TL1000SW, candy jade lime yellow. TL1000cup.de champion 2007, 2008 & 2009
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01-13-2008, 01:54 PM
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#17 (permalink)
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Just call me Ragnar Danneskjöld
Member #2079
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BikePilot
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If the TL bat is so dead that it draws the cage voltage down below what the regulator wants to regulate at, you'll be just fine, probably why yours is ok Rufer, but in the future do it with the cage off, no chance of harm that way 
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Josh 
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1997 TL1000S/V
- TLR Akro Evo Ti Exhaust - PCII - 5.5" rear rim & 180/55 - Avon AV45/46ST tires - No Steering damper- Uni Filter -Relocated Temp sensor & 98+ t-stat housing/wp cover - TLRCrazy1 Fan Switch Mod - Dual Star heated Grips - HeliBars - 60k miles.
9k mile summer ride report [summer '08]
Ride report: Oshkosh, Rockies, UT, NV, CA, Bajal [summer '09]
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01-13-2008, 08:54 PM
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#18 (permalink)
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Silver Subscriber
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corona_jeff
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and IF you do use a car make sure it isnt running. The 14.4 volts at idle is to much but with it off you fine. Just safer not to do it at all
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01-13-2008, 11:36 PM
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#19 (permalink)
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Silver Subscriber
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abn
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Thanks Steve...I've had a lot of people state that jump starting a bike from a car would fry electricals. Always told them that that is hogwash, "12 volts is 12volts". Never thought about the shunt type regulators. Learn something new every day...that I pay attention.
Quote:
Originally Posted by Steve TLS
Snip>>>
No you shouldn't jump start a bike that uses a permanent magnet alternator like our engines do with a running vehicle.
Our regulators regulate by shunting - shorting out the coils of the alternator to adjust the output. The regulator is designed to shunt what our stators can output.
If you jump of a running vehicle and its running voltage will be high. The bike's regulator will try and shunt all of the power of the running vehicle. It physically can't do it. |
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01-13-2008, 11:55 PM
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#20 (permalink)
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Upside Down Super Mod
Member #103
Posts: 37,819
Join Date: Feb 2003
Location: Melbourne, Australia.
Sportsbike: GSXR1000 K3
Riding Experience: 20+ years
Pictures: 146
Life Wasted on TLZone: 5 Months, 1 Week, 1 Day and 10:51:30 Hours
Steve TLS
is TLess
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I cocked that up a bit, I must have been having a brain fart. You shouldn't jump of a running vehicle because the regulator will try and shunt 100% of the stator output which it doesn't like.
It's not trying to shunt the excess from the other running vehicle. The damage can only happen once the bike fires and the stator starts outputting current.
Same cause, same result though Use a non running vehicle to jump start our bikes with permanent magnet alternators. |
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