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Author Topic: Dead Bike; newbie needs help  (Read 700 times)

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Offline Fearisaliar

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Dead Bike; newbie needs help
« on: June 08, 2020, 06:40:54 PM »
Hi All

Bike was running.  1976 CB 750.  Practiced cleaning carbs.  Put the bike back together and nothing happened when I turned the key.
Charged the battery and still nothing, no lights. 

I'm assuming I messed up wiring at some point.  Guessing I separated a connection/created a short?  Maybe when working with throttle cables at the handle bars...?   


Unsure of how to proceed.  I'm far from an electrician.   Would appreciate any help. 
Thanks.
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Offline scottly

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Re: Dead Bike; newbie needs help
« Reply #1 on: June 08, 2020, 06:50:15 PM »
Check the 15 amp main fuse.
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Don't fix it if it ain't broke!
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Offline Desert-SOHC

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Re: Dead Bike; newbie needs help
« Reply #2 on: June 08, 2020, 06:51:52 PM »
^^^^ Yup, start at the battery and work your way out.  Check your frame ground too.
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90 F350 Lariat CS S/C Dually
90 S&S 11SC Cabover Camper
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Offline onepieceatatime

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Re: Dead Bike; newbie needs help
« Reply #3 on: June 08, 2020, 07:12:00 PM »
Kill switch?
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1965 CA77
1972 CB750K Ol' Sarge
1974 CB450K7
1977 CB750K7
1977 CB750K7
1980 CB650C
1982 CM450A
1997 GL1500SE

Offline scottly

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Re: Dead Bike; newbie needs help
« Reply #4 on: June 08, 2020, 08:05:51 PM »
Quote from: onepieceatatime on June 08, 2020, 07:12:00 PM
Kill switch?
Kill switch doesn't control the lights. ;)
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Don't fix it if it ain't broke!
Helmets save brains. Always wear one and ride like everyone is trying to kill you....

Offline onepieceatatime

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Re: Dead Bike; newbie needs help
« Reply #5 on: June 08, 2020, 08:07:41 PM »
Quote from: scottly on June 08, 2020, 08:05:51 PM
Quote from: onepieceatatime on June 08, 2020, 07:12:00 PM
Kill switch?
Kill switch doesn't control the lights. ;)
yep, missed that  :-[
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1965 CA77
1972 CB750K Ol' Sarge
1974 CB450K7
1977 CB750K7
1977 CB750K7
1980 CB650C
1982 CM450A
1997 GL1500SE

Offline ekpent

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Re: Dead Bike; newbie needs help
« Reply #6 on: June 08, 2020, 08:42:13 PM »
Had a 750 die once with 0 power. It had the key switch relocated to the top triple tree bar mount, a popular thing at one time. The wiring loom from the ignition switch pulled out enough from the main harness to lose all power. Check there also while your troubleshooting if your main fuse is still good.
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