Author Topic: A new project - not a bike!  (Read 969 times)

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Offline srbakker

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A new project - not a bike!
« on: August 19, 2012, 08:15:02 AM »
Hi everyone,

I got to chatting recently with my lovely wife about a project to do with my kids.  She refuses to let them on or near completed bikes, so I came up with this:















I have no idea what kind of kart it is, other then that the last owner assured me it's a "vintage kart from the 60s!" Uh huh.  Sure it is.  Regardless, it has a strong, straight chassis with minimal repairs and nothing is rusted, except some very superficial looking spots.

The 6.5hp clone appears to run well, although I'm sure it will run better once it's breathing a bit easier.  I'm told the carb is a Honda carb - once again, we'll see when I break it down for a good cleaning.

I had wondered about the brake, since the kid I bought it from said it had "no brake, but I have a hydraulic brake I just haven't installed."  Once again - sure you do.  There's a pic there of a disc and a tiny mechanical caliper (NOT hydraulic) that he included.  However, as far as I can tell, the band brake should work fine with a new band and linkage.  It has a sort of interesting two part linkage (you can see me holding it in the pics above) - as near as I can tell, the band connects to the linkage and then the brake cable attaches to the other side of the linkage and to the pedal (I think.  I may just scrap the linkage and make this a more direct connection - not sure yet).

I also like the jury-rigged throttle assembly.  The kill switch you see dangling on the steering column has a fried grounding wire - you have to manually touch it to the block the kill the engine.  :o At least it's an easy fix.  I don't believe the chain has EVER been lubed - it's drier than a fart in the desert.  The wheels appear to be steel 4" jobs with bearings that are well and truly fried.

First order of business will be to strip it down with many, many pictures and even more boxes and baggies.  Organization ought to be a trip - the 750 already has me piling boxes all over my garage and crawl space!

Then, of course, a thorough scrubbing and accounting for - what's broken, what to do we like and not like, what to replace and eventually generating the parts to buy list.  Then we'll paint strip, primer and paint and start the rebuild. 

I'm torn about stripping down the clone engine and and rebuilding it versus scouring CL for a nice Honda or B&S, and then tweaking that a bit.  Guess we'll just see what comes up.  I did find a nice B&S Intek 6.5 in my local CL for $60 today (conveniently attached to a lawnmower) so maybe I'll head that way instead.

So... that's where we start.  I'll post up pics as we (my boys and I) make progress, but just don't expect it to be quickly, since the boys are 1, 3 and 5!

Also, I'm told I have to remember it's for my kids, so no aluminum racing wheels, carbon seats, ported heads etc.  ;D

Cheers for now,
Scott
1975 CB750 K5
2007 Triumph Tiger
2007 Triumph Speed Triple
1971 Kawasaki F7 175 Enduro
2000 Honda VFR800 (gone but not forgotten)

Offline demon78

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Re: A new project - not a bike!
« Reply #1 on: August 19, 2012, 09:36:02 AM »
Ahhh no porting. She's cruel, isn't she.
Bill the demon.

Offline kslrr

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Re: A new project - not a bike!
« Reply #2 on: August 19, 2012, 10:08:09 AM »
I think a 400F engine would fit nicely behind the seat. :)
Now  1972 CB350FX (experimental v2.0)
        1981 CB650c Custom with '79 engine (wifes)
        1981 CB650 engine
        2004 HD XL883C Custom
        1977 Yamaha XS750D (in progress)
Then 1972 CL175
        1964 Yamaha YGS-1T
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Offline Gurp

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Re: A new project - not a bike!
« Reply #3 on: August 19, 2012, 11:37:50 AM »
Or maybe on of the motors from a 150cc automatic scooter.
slow Progress 74 cb550.

Poor boy chop 73 CB500 chop

Future project 77 Cb750 Amen Savior

Offline srbakker

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Re: A new project - not a bike!
« Reply #4 on: August 19, 2012, 02:32:12 PM »
Or maybe on of the motors from a 150cc automatic scooter.

My oldest kid is 5.  I'll wait until they're a bit older until I introduce shifting. :)
1975 CB750 K5
2007 Triumph Tiger
2007 Triumph Speed Triple
1971 Kawasaki F7 175 Enduro
2000 Honda VFR800 (gone but not forgotten)

Offline Killer Canary

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Re: A new project - not a bike!
« Reply #5 on: August 19, 2012, 02:42:56 PM »
Cool! You would love Princess Auto.
If it's worth doing at all it's worth over-doing.
Honda MT250, CB400F, CB450K, CB550, GL500, CBR929
Kawi GPz900, H1

Offline 333

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Re: A new project - not a bike!
« Reply #6 on: August 19, 2012, 06:17:57 PM »
Okay, not that we don't know everything here at SOHC, but there's a forum devoted to karts and minibikes. 

oldminibikes.com

What we know about single cam Honda's, they know karts and mini's.
Go metric, every inch of the way!

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Offline srbakker

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Re: A new project - not a bike!
« Reply #7 on: August 19, 2012, 07:06:58 PM »
Yep, I joined up there and also at diygokarts.com.  Great stuff!
1975 CB750 K5
2007 Triumph Tiger
2007 Triumph Speed Triple
1971 Kawasaki F7 175 Enduro
2000 Honda VFR800 (gone but not forgotten)

Offline trueblue

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Re: A new project - not a bike!
« Reply #8 on: August 19, 2012, 09:22:21 PM »
That motor looks like one of the chinese copies of the faithful Honda motor.  They actually aren't that bad, they are esentially a reverse engineer of a GX160 (don't quote me on this) Honda motor.  They normally use a Keikin carb and in my experience with them Honda parts drop straight in and work.
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