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6 Volt to 12 volt conversion

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Re: 6 Volt to 12 volt conversion

Post  james_curley24 on Wed 9 Mar - 13:54

3hundredspartans wrote:Do you have any power with just the ignition turned on and the engine NOT running? Example, you should at least have the horn and neutral light in the dash.

Hi, yes I have a brake light, indicators and horn. Just realised my headlight bulb is blown, and my rear light is an aftermarket led unit, and I may have blown the LEDs. Will be testing it tomorrow with direct current to battery.

Will let you know how it goes.

Thank you for all your help so far

James

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so frustrating

Post  james_curley24 on Wed 9 Mar - 23:40

I have checked my lights with direct current from the battery, and they came on. So I'm not sure what is wrong

James

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problem averted, new problem arrived....

Post  james_curley24 on Thu 10 Mar - 7:25

Hi frank,

Just a quick update. Got the coil working perfectly, have all lights now.

http://postimg.org/image/q5553evwz/

The new problem, is that the thread on the end of the crankshaft (for the magneto bowl) has stripped. Is there any way around this? I will probably just kick the bike over and set it on fire if I have the strip the engine down and replace it XD

Thanks

James

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Re: 6 Volt to 12 volt conversion

Post  JohnW on Thu 10 Mar - 20:05

3hundredspartans wrote:Do you have any power with just the ignition turned on and the engine NOT running? Example, you should at least have the horn and neutral light in the dash.

Yes power from battery is on to neutral light, horn, stop light & indicators when ignition switch is in ON position, engine does not have to be running. The head, parking & tail lights work direct from generator & only work when engine is running.

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Re: 6 Volt to 12 volt conversion

Post  Mark1982. on Sat 27 Aug - 15:38

Does it have to be certain year get bits from

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Re: 6 Volt to 12 volt conversion

Post  JohnW on Sun 28 Aug - 21:54

Mark1982. wrote:Does it have to be certain year get bits from

Not sure which bits you mean, most parts are the same on all T80's. The early models did not have a direction indicator warning light in the speedo, & the indicators were of a different style as was rear light cluster. The basic electrics are the same on all models, but are different on the T50.

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Re: 6 Volt to 12 volt conversion

Post  Mark1982. on Tue 30 Aug - 9:34

Sorry i ment the Yamaha Raptor YFM 80 parts he used to convert it to 12v

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Re: 6 Volt to 12 volt conversion

Post  Mark1982. on Tue 30 Aug - 9:36

Mine is a early model with small silver front indicators and the rear cluster were indicators are part of rear light but it's got a orange light in speedo to say when there flashing

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Re: 6 Volt to 12 volt conversion

Post  3hundredspartans on Wed 31 Aug - 15:08

Hi Mark,

Please refer to the info below if you want to go ahead and do the modification.

Any Raptor from the late 80s and possibly early 90s should do.

Here you go, done all the hard work for you! :d\\'-\\':

http://www.ebay.com/itm/YAMAHA-NOS-LIGHTING-COIL-1-YFM50-80-100-55X-81313-M0-/371256068088

http://www.ebay.com.au/itm/85-YAMAHA-YFM80-BADGER-REGULATOR-RECTIFIER-UNIT-/181846201655

3hundredspartans wrote:Update:

Carried out the conversion on the weekend and the T80 is now running on a 12V lighting system.  :d\\'-\\':

The difference is like night and day.

What I did is the following:
• Change the rectifier/regulator to a NOS Yamaha 12V unit from a YFM80 Badger/Raptor. Yamaha Part: 55X-81960-90
• Replaced the lighting coil from the same. Yamaha Part: 55X-81313-M0
• Changed all the bulbs to normal incandescent globes. Not fussed about the LEDs at the moment.
• Replaced the battery (12V 4.5 Ah)
• Replaced the flasher relay to a 12V LED.
• Replaced the horn with a 12V aftermarket unit.

The only thing left to do is to instal a regulator for the fuel meter to drop the 12V to 6V as it draws power from the battery. It still works fine but cannot leave it like that.

A minor modification was needed to the connecter at the rectifier. The original 6V unit has a 3 blade pin plug which fits directly into the base of the rectifier. The new 12V unit has 3 wires with bullet connectors so I removed the pins from the wiring loom plug and fitted them into another male – female plug with extending wires with bullet connectors. Connected all and it is working like a charm. The lighting is 2 to 3 times brighter now and the dash lights are much brighter.

Cheers, Frank. :d\\'-\\':  Very Happy

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Re: 6 Volt to 12 volt conversion

Post  Mark1982. on Thu 1 Sep - 7:14

Thank you going do this for my bike plus running a sat nav of a 6v battery is killing it bounce

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Re: 6 Volt to 12 volt conversion

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