Author Topic: Project Red Headed Step Child ruh roh damage!  (Read 30268 times)

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Offline MasterChief750

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Re: Project Red Headed Step Child charging woes!!!!!
« Reply #75 on: April 12, 2011, 09:11:01 AM »
Okay im a looser I threw in the towel. Made an appointment for next week at the dealership. Mechanical no.problem. electrical scares the crap outta me. Im 99.9% sure everything is hooked up correctly. Maybe they will find what I effed up.
1978 CB750 K - Project Red Headed Step Child
1976 CB750 K - Drag Bike
Some things i know, others i dont.
I AM THE STIG
Sam is THE STIG
he said i can be STIG3 tho

Offline MasterChief750

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Re: Project Red Headed Step Child charging woes!!!!!
« Reply #76 on: April 12, 2011, 04:44:47 PM »
holy crap just totally had a eureka moment a sec ago outside. was sitting there looking and saying hey that white wire looks like a gray wire. well it was i had the turn signal hooked up to the voltage reg and the reg hooked up to the turn signal. two birds one stone. done. still running on 3 but i dont frickin care at the moment. i have a bike thats not going to die on me!!!!!!!! pics for my peops later. :D :D :D :D :D :D
1978 CB750 K - Project Red Headed Step Child
1976 CB750 K - Drag Bike
Some things i know, others i dont.
I AM THE STIG
Sam is THE STIG
he said i can be STIG3 tho

Offline theofam

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Re: Project Red Headed Step Child I fixed it!!!!
« Reply #77 on: April 12, 2011, 04:54:50 PM »
 ;D ;D that's awesome!  Gray, schmay. They do look alike after 30+ years.

Glad you're running again and saving $ by not visiting the stealership.

Offline Pinhead

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Re: Project Red Headed Step Child I fixed it!!!!
« Reply #78 on: April 12, 2011, 05:31:53 PM »
;D ;D that's awesome!  Gray, schmay. They do look alike after 30+ years.

Glad you're running again and saving $ by not visiting the stealership.

+1

I don't even want to estimate what a stealership would charge to go through the electrical system on one of these old bikes!
Doug

Click --> Cheap Regulator/Rectifier for any of Honda's 3-phase charging systems (all SOHC4's).

GM HEI Ignition Conversion

Quote from: TwoTired
By the way, I'm going for the tinfoil pants...so they can't read my private thoughts.
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Offline MasterChief750

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Re: Project Red Headed Step Child I fixed it!!!!
« Reply #79 on: April 12, 2011, 07:16:27 PM »
yeah i dont wanna estimate. pinhead i pmed you bc i thought the vreg was bad thx for your help. i am still going to switch to the ssvreg. i hate the motto "if it aint broke dont fix it"
1978 CB750 K - Project Red Headed Step Child
1976 CB750 K - Drag Bike
Some things i know, others i dont.
I AM THE STIG
Sam is THE STIG
he said i can be STIG3 tho

Offline MasterChief750

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Re: Project Red Headed Step Child I fixed it!!!!
« Reply #80 on: April 12, 2011, 07:26:17 PM »
ok i know the seat is crap but i plan to replace it with something a little better



1978 CB750 K - Project Red Headed Step Child
1976 CB750 K - Drag Bike
Some things i know, others i dont.
I AM THE STIG
Sam is THE STIG
he said i can be STIG3 tho

Offline kap384@telus.net

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Re: Project Red Headed Step Child I fixed it!!!!
« Reply #81 on: April 12, 2011, 08:46:57 PM »
holy crap just totally had a eureka moment a sec ago outside. was sitting there looking and saying hey that white wire looks like a gray wire. well it was i had the turn signal hooked up to the voltage reg and the reg hooked up to the turn signal. two birds one stone. done. still running on 3 but i dont frickin care at the moment. i have a bike thats not going to die on me!!!!!!!! pics for my peops later. :D :D :D :D :D :D

Awesome.  Eureka moments rock!  One of the most satisfying mechanical moments one can have!!  Congrats.
« Last Edit: April 13, 2011, 08:55:35 AM by kap384 »
1965 Honda CB450K0
1972 Honda CT70K1
1975 Honda MR50
1975 Honda CB400F Supersport
1977 Honda CB750F2 Supersport
1978 Honda XL100
1979 Honda CBX Supersport
1982 Honda VF750S Sabre - Adventure Bike modified
1983 Honda CX650T
1995 Honda VFR750
2016 Honda CRF1000L Africa Twin
2015 KTM 200 XC-W
1963 Suzuki T10
My 1977 CB750F restoration - http://forums.sohc4.net/index.php?topic=66779.0
My 1975 CB400F restoration -
http://forums.sohc4.net/index.php?topic=145196.msg1651779#msg1651779
'More Stock Than Not' thread - http://forums.sohc4.net/index.php?topic=90807.500
My CT70 Resurrection - http://forums.sohc4.net/index.php?topic=145221.0
Best Motorcycle Tool Ever - https://www.engduro.com

Offline MasterChief750

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Re: Project Red Headed Step Child I fixed it!!!!
« Reply #82 on: April 13, 2011, 03:40:50 AM »
Thanks man really appreciate it. Now to tear the garbs off. But first I must ride. Im thinkin clogged idle jet for #2 not running sound right to people.
1978 CB750 K - Project Red Headed Step Child
1976 CB750 K - Drag Bike
Some things i know, others i dont.
I AM THE STIG
Sam is THE STIG
he said i can be STIG3 tho

Offline MasterChief750

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Re: Project Red Headed Step Child I fixed it!!!!
« Reply #83 on: May 03, 2011, 02:20:21 PM »
hey guess what she runs on all four. now for the sad part. still no going over 75 on the eway. i suspect either the clutch or my assumption that the sprockes were correct is wrong. just got new throttle cables, jeeze didnt realize how #$%*ty my old ones were. 600 bucks well spent at the dealer in my opinion. got out better than i thought.
1978 CB750 K - Project Red Headed Step Child
1976 CB750 K - Drag Bike
Some things i know, others i dont.
I AM THE STIG
Sam is THE STIG
he said i can be STIG3 tho

mrjack55

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Re: Project Red Headed Step Child I fixed it!!!!
« Reply #84 on: May 03, 2011, 07:00:24 PM »
Good looking build there Master Chief! 

Offline MasterChief750

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Re: Project Red Headed Step Child I fixed it!!!!
« Reply #85 on: May 04, 2011, 02:26:06 AM »
Thx jack. Its not perfect but I will refine it as I go. Gotta get working on my other build now too.
1978 CB750 K - Project Red Headed Step Child
1976 CB750 K - Drag Bike
Some things i know, others i dont.
I AM THE STIG
Sam is THE STIG
he said i can be STIG3 tho

Offline HedNut

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Re: Project Red Headed Step Child I fixed it!!!!
« Reply #86 on: May 04, 2011, 06:09:00 AM »
Well Done Man! Looks good and you're riding it!!! That's awesome.

Offline MasterChief750

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Re: Project Red Headed Step Child I fixed it!!!!
« Reply #87 on: May 04, 2011, 06:18:36 AM »
yeah its finally runnin well. itll pull a wheelie in every gear.. puled a massive one by accident. i think the sprockets are the issue because i dont remeber checking to see if they were crrect. it does not feel like the clutch is slipping
1978 CB750 K - Project Red Headed Step Child
1976 CB750 K - Drag Bike
Some things i know, others i dont.
I AM THE STIG
Sam is THE STIG
he said i can be STIG3 tho

Offline HedNut

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Re: Project Red Headed Step Child I fixed it!!!!
« Reply #88 on: May 04, 2011, 06:19:51 AM »
I wish I had that problem... accidental wheelies sound fun! ahah

Offline MasterChief750

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Re: Project Red Headed Step Child I fixed it!!!!
« Reply #89 on: May 04, 2011, 08:33:00 AM »
Im not a big fan of the accidental wheelies. Used to have a blast doing them on my dirt bike though. Got the superbike bars on. The throttle cables are ok but the clutch is way too long. All my cables are brand new so ill deal with it for a bit. Gracefully dropped the bike on the ground. Nothing happened. It landed on grass. Just spilled some gas. Got some barend mirrors on as well. Ill post some pics. I want some different mirrors. Need new grips bad too.
1978 CB750 K - Project Red Headed Step Child
1976 CB750 K - Drag Bike
Some things i know, others i dont.
I AM THE STIG
Sam is THE STIG
he said i can be STIG3 tho

Offline MasterChief750

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Re: Project Red Headed Step Child I think i need a clutch
« Reply #90 on: May 04, 2011, 06:09:20 PM »
ive traced my top speed issue to the clutch i believe. ive got the correct sprockets and the engine and ignition is sound. the only last thing i can think of is its the clutch. who has good sources for clutches. im looking at the cycle exchange clutch kit. 110 bucks but it comes with friction discs and specially coated plates. and the gasket and kickstart seal  sounds like a deal to me
1978 CB750 K - Project Red Headed Step Child
1976 CB750 K - Drag Bike
Some things i know, others i dont.
I AM THE STIG
Sam is THE STIG
he said i can be STIG3 tho

Offline Retro Rocket

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Re: Project Red Headed Step Child I think i need a clutch
« Reply #91 on: May 04, 2011, 06:38:03 PM »
Just as a matter of curiosity, what size sprockets are you running.?
750 K2 1000cc
750 F1 970cc
750 Bitsa 900cc
If You can't fix it with a hammer, You've got an electrical problem.

Offline Pinhead

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Re: Project Red Headed Step Child I think i need a clutch
« Reply #92 on: May 04, 2011, 06:56:57 PM »
Just as a matter of curiosity, what size sprockets are you running.?

No kidding! Pulling wheelies in all 5 gears means it's either geared WAY down or some expert NASCAR engine builder  worked over the engine!
Doug

Click --> Cheap Regulator/Rectifier for any of Honda's 3-phase charging systems (all SOHC4's).

GM HEI Ignition Conversion

Quote from: TwoTired
By the way, I'm going for the tinfoil pants...so they can't read my private thoughts.
:D

Offline MasterChief750

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Re: Project Red Headed Step Child I think i need a clutch
« Reply #93 on: May 05, 2011, 05:51:56 AM »
15/41 stock. verified by my buddy riding beside me. clutch is deffinetly slipping it does t have any bite. waiting on a clutch nut socket then ill tear it apart. hopefully this weekend. maybe it just needs some torque. now i wish i had ordered the full gasket set. no expert motor builder here. i was just very mythodical in checking tolerances and replaced or repaired stuff that needed it. even with the slipping clutch i romp on my buddy in the quarter. hes got a 96ci twin cam harey. top end hes got me tho.
1978 CB750 K - Project Red Headed Step Child
1976 CB750 K - Drag Bike
Some things i know, others i dont.
I AM THE STIG
Sam is THE STIG
he said i can be STIG3 tho

Offline MasterChief750

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Re: Project Red Headed Step Child I think i need a clutch
« Reply #94 on: May 05, 2011, 06:02:25 AM »
just thought of this i have a spare 78 motor ill pull the clutch outta that and see if its any good. supposed to be a "racing clutch" but who knows. the motor had oil in it but i have no idea on the last time it ran. hopefully this will be a fix as i dont exacly have the cash for a clutch at the moment.
1978 CB750 K - Project Red Headed Step Child
1976 CB750 K - Drag Bike
Some things i know, others i dont.
I AM THE STIG
Sam is THE STIG
he said i can be STIG3 tho

mrjack55

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Re: Project Red Headed Step Child I think i need a clutch
« Reply #95 on: May 05, 2011, 03:04:35 PM »
just thought of this i have a spare 78 motor ill pull the clutch outta that and see if its any good. supposed to be a "racing clutch" but who knows. the motor had oil in it but i have no idea on the last time it ran. hopefully this will be a fix as i dont exacly have the cash for a clutch at the moment.
Forgot what you had laying around did ya?  It's funny how the answer is often hidden right in front of you...in a pile of $#!t.  Good luck with the swap.  I was thinking of gearing down as well, but hearing that you are "Accidentally" pulling wheelies in every gear gives me hope for the stock 15/41 combo. 

Offline MasterChief750

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Re: Project Red Headed Step Child I think i need a clutch
« Reply #96 on: May 05, 2011, 07:09:18 PM »
yeah scared the crap outta me. i was a little quick with the clutch. but if you give it a fistful itll pick up the front wheel.... at least it did for me
1978 CB750 K - Project Red Headed Step Child
1976 CB750 K - Drag Bike
Some things i know, others i dont.
I AM THE STIG
Sam is THE STIG
he said i can be STIG3 tho

Offline MasterChief750

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Re: Project Red Headed Step Child clutch is out. pics soon to come
« Reply #97 on: May 10, 2011, 09:56:28 AM »
The clutch is out. The friction discs measured within spec but the steel plates look almost burned. The friction discs are very dark and have crusty oil on em. Pics to come later today.
1978 CB750 K - Project Red Headed Step Child
1976 CB750 K - Drag Bike
Some things i know, others i dont.
I AM THE STIG
Sam is THE STIG
he said i can be STIG3 tho

Offline MasterChief750

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Re: Project Red Headed Step Child clutch is out. pics soon to come
« Reply #98 on: June 06, 2011, 03:14:53 PM »
had a little time this afternoon. let me know what you think



the pipes are painted black. havent got the toher pic to upload yet

edit second pic. sorry for quality its a little corrupted

« Last Edit: June 06, 2011, 03:28:34 PM by MasterChief750 »
1978 CB750 K - Project Red Headed Step Child
1976 CB750 K - Drag Bike
Some things i know, others i dont.
I AM THE STIG
Sam is THE STIG
he said i can be STIG3 tho

Offline BobbyR

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Re: Project Red Headed Step Child finished the exhaust for now
« Reply #99 on: June 06, 2011, 05:20:39 PM »
That bike is really coming together beautifully. The 1978 may seem like the least liked because it bridges the gap between the "quaint" CBs with the teapot tanks  ;D and a modern motorcycle.
Dedicated to Sgt. Howard Bruckner 1950 - 1969. KIA LONG KHANH.

But we were boys, and boys will be boys, and so they will. To us, everything was dangerous, but what of that? Had we not been made to live forever?