Author Topic: 74' cb750 - my rat bike  (Read 68875 times)

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Offline Lee in Ottawa

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Re: 74' cb750 - my rat bike
« Reply #175 on: May 13, 2010, 08:50:25 PM »
Just made it though all 7 pages. Love ur style, and wish I had your fab skills. Lets see some more pics of the e30. I have a e34 sitting in the drive with tcd/custom stage 3 kit almost ready to drive. and a plane jane 86 m20'd e30.

Offline dp2275

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Re: 74' cb750 - my rat bike
« Reply #176 on: May 14, 2010, 04:11:48 AM »
kate at cycleone hooked me up with a custom axle made to my specs


got the bike back on the table for welding


remounted the rear fender..it was a touch off previously


« Last Edit: May 14, 2010, 04:14:34 AM by dp2275 »

Offline dp2275

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Re: 74' cb750 - my rat bike
« Reply #177 on: May 14, 2010, 04:40:05 AM »
Just made it though all 7 pages. Love ur style, and wish I had your fab skills. Lets see some more pics of the e30. I have a e34 sitting in the drive with tcd/custom stage 3 kit almost ready to drive. and a plane jane 86 m20'd e30.

thanks, my fab skills really arent that great though  ;)

my e30 has been through many stages..

stage 1:



stage 2:




im currently redoing the entire car for stage 3:
-5lug swap (bigger brakes/wheels)
-tcd turbo manifold & custom turbo
-new radiator
-roll cage
-sparco FIA seats and VAC billet seat mounts
-euro bumpers
-old school momo steering wheel
-manual window/sunroof conversions
-mason strut bars









not much to show right now but you get the idea... itll move faster once i finish the bike  ;D



Offline dp2275

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Re: 74' cb750 - my rat bike
« Reply #178 on: May 28, 2010, 06:51:34 AM »
replaced the 3phase charging system with a single phase system.  kickstart only and battery-less!!! ;D






Offline cdoggy81

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Re: 74' cb750 - my rat bike
« Reply #179 on: May 28, 2010, 09:43:15 AM »
Who makes/sells that unit? Very cool :)

Offline sangyo soichiro

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Re: 74' cb750 - my rat bike
« Reply #180 on: May 28, 2010, 01:03:10 PM »
replaced the 3phase charging system with a single phase system.  kickstart only and battery-less!!! ;D

Cycle X?

I got my eye on that too.  But I just bought a Dyna 2000 electronic ignition.  You you know if these two systems are compatible, or does the Dyna 2000 require a battery?  Just wondering if you knew by chance.
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Offline dp2275

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Re: 74' cb750 - my rat bike
« Reply #181 on: May 29, 2010, 01:34:26 PM »
yea, its the cycle x unit.

Im not sure offhand if this charging system can be run with an elec. ign. without a battery, but im pretty sure you can run one if you keep the battery.  Im using points still so no worries here  ;D

Offline dp2275

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Re: 74' cb750 - my rat bike
« Reply #182 on: August 08, 2010, 11:17:57 AM »
havent updated in a while..
i just got the graphics finished on the bike last week...here they are:
washing the old girl before decals




decals on








Offline Laminar

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Re: 74' cb750 - my rat bike
« Reply #183 on: August 08, 2010, 04:12:26 PM »
Love the black and white.

Offline jakecb420

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Re: 74' cb750 - my rat bike
« Reply #184 on: August 08, 2010, 07:19:54 PM »
sure doesnt look like a rat bike to me. thats a nice looking machine.
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Offline dp2275

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Re: 74' cb750 - my rat bike
« Reply #185 on: August 08, 2010, 07:26:18 PM »
thanks guys.. incase you cant tell from the pictures, the graphics are sparkly silver (everything inside the black outlining is sparkled vinyl including on the oil sticker and oil tank graphic) and it all matches the silver sparkle seat.  i guess its not a rat bike anymore haha.. i have about $6500 in receipts plus a few hundred hours of time but she rides great and i get alot of looks on it  ;)

Offline Luk_E29

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Re: 74' cb750 - my rat bike
« Reply #186 on: August 09, 2010, 01:20:26 AM »
very cool build man.  :o

 Im currently working on a cb500 cafe build but the NEXT bike is hopefully going to be a bobber/rat..

just wanted to hear how that cyclex kick start system is working... you get the bike running yet? How does it start with that system? Would you say it kick starts easier?

keep up the good work!!! very inspirational.

Offline dp2275

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Re: 74' cb750 - my rat bike
« Reply #187 on: August 09, 2010, 05:44:04 AM »
just wanted to hear how that cyclex kick start system is working... you get the bike running yet? How does it start with that system? Would you say it kick starts easier?

keep up the good work!!! very inspirational.

yea, its been runnng... i have about 500miles on it.  the charging system is working great now.. i had some problems early on because i had DUAL 60WATT headlights!!!  At night time and during braking (when the brake light came on), the headlights would almost turn off.  I swapped bulbs for 35watt H4's and its much better now.  If the bike has sat for a few days/weeks, it usually takes 2-3 kicks but if ive been riding and its warm, it starts up first kick.

Also, you get the classic headlight flicker (you cant see it while driving it but the people in front say its like a mild strobe light).  Ive added a capacitor like the old kick start harleys/triumphs per ken at cyclex..im not sure how the headlight would look without the capacitor (maybe worse?).

Offline Frankenkit

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Re: 74' cb750 - my rat bike
« Reply #188 on: August 09, 2010, 06:20:45 AM »
Some people actually intentionally make their lights flicker... they add a modulator to their newer headlights because the flicker may help cagers see them.

just a thought from the peanut gallery.   I just love that black and white...
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Offline beks82

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Re: 74' cb750 - my rat bike
« Reply #189 on: August 10, 2010, 07:49:34 PM »
so how did you lower the front end of the bike?  did you just raise the forks through the trees?

Offline dp2275

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Re: 74' cb750 - my rat bike
« Reply #190 on: August 10, 2010, 09:51:19 PM »
so how did you lower the front end of the bike?  did you just raise the forks through the trees?


nooo, if that was the case theyd be sticking up 4" through the trees  ;)

-2 fork tubes from cycle x, stock springs cut down, heavier oil in the forks

Offline dp2275

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Re: 74' cb750 - my rat bike
« Reply #191 on: September 11, 2010, 08:32:48 AM »
for anyone interested, this bike may be up for sale soon.  any suggestions on asking price?  got about $7500 in receipts and a rediculous amount of time into the bike.  will come with a spare motor and other parts too!.  just took it on a 1500 mile roadtrip and its time to build something NOT hardtailed  8)

Offline cdoggy81

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Re: 74' cb750 - my rat bike
« Reply #192 on: September 11, 2010, 08:56:30 PM »
I know this sucks but..... from what I have seen I would say $3000 to $4000???0
I'm selling mine for $1500 & can't get any takers :(

Offline scooter1

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Re: 74' cb750 - my rat bike
« Reply #193 on: September 12, 2010, 06:55:50 PM »
one of the nicest builds I've seen!!!! Great job!!!

Offline rustrocket92

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Re: 74' cb750 - my rat bike
« Reply #194 on: September 13, 2010, 12:08:24 AM »
I like it man! Good job.
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Offline Old75_ratafe

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Re: 74' cb750 - my rat bike
« Reply #195 on: September 13, 2010, 12:42:53 AM »
Good thing I'm going with flat black instead of satin someone might mistake ours for twins at a glance lol.

EDIT: Liked it so much I stole the idea but did my own touch.
« Last Edit: October 13, 2010, 09:51:18 PM by Old75_ratafe »
1975 CB750K
Project Back in Black

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Offline Little_Horse

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Re: 74' cb750 - my rat bike
« Reply #196 on: September 25, 2010, 08:21:22 AM »
the bike looks great, I am a little behind on reading peoples builds and just caught up on yours. I say keep the bike, ride it for a while. Do some paid fab work on the side to fund your hobby for the next build. Or if you cant seem to get enough of custom fab work and have no money to start the next project you can start doing what I have done and build bikes for friends and family where they fund the project. A win for everyone  ;D that is if you are wanting to sell so you can start another project, which I was assuming.
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Traveler86

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Re: 74' cb750 - my rat bike
« Reply #197 on: October 13, 2010, 04:01:42 PM »
What would you guess is the seat height your bikes? Im struggling with figuring out how to lower it enough for my short height. I have the same bike and cant decide if hardtailing it would be the best option. they look great by the way!

Offline dp2275

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Re: 74' cb750 - my rat bike
« Reply #198 on: October 27, 2010, 04:05:25 AM »
havnt measure seat height, but its low.  im 6' tall, and i can stand flatfooted over the seat and have about a foot of clearance, haha!  id imagine that its around 25"

Offline M.Harrigan

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Re: 74' cb750 - my rat bike
« Reply #199 on: December 09, 2010, 11:53:22 AM »
Nice build (both of them).
Did you use the stock throttle, clutch, and brake cables or were they shortened?