Author Topic: CB350 Four - Three Wheeled Heap  (Read 8812 times)

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Offline Really?

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Re: CB350 Four - Three Wheeled Heap
« Reply #25 on: February 08, 2010, 08:35:47 AM »
Finish it DollarBill!  As sad as it might be, I think it is actually quite kewl after the fact.

I havent seen you for a while, where you been?
I don't have a motorcycle, sold it ('85 Yamaha Venture Royale).  Haven't had a CB750 for over 40 years.

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Offline camelman

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Re: CB350 Four - Three Wheeled Heap
« Reply #26 on: February 08, 2010, 08:39:57 AM »
Haha, "New tires because the front and left rear are shot."  I've never had to worry about the left rear tire on any motorcycle I've ever owned.

I think you should get it running, but keep your expenditures in line with the purchase price of the bike.  So, I have a slightly rusty original 400/4 or aftermarket 350F exhaust header I am willing to donate.  I might even have a slightly dented 350f tank to add to the mix.  It is green, with good paint, but there are some creases in the metal.  The brakes likely just need to be cleaned (unless you need a new piston), so let's keep that cost at zero for now, and the frame can be sanded and spot painted where needed with some rustoleum.  One new chain, one new battery, and you are ready to start the engine for under $300 total investment.

I'd recommend getting that engine running first though.

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Offline Zaipai

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Re: CB350 Four - Three Wheeled Heap
« Reply #27 on: February 09, 2010, 07:13:39 PM »
Well after looking at this, I don't know where you are at with it. As much as I like it, I have to agree its a bit of a money pit. If you take it on road, you will need speedo possibly a tach.. headlight, tail light etc.. At this point you still have to deal with a frozen motor and maybe a bad tranny.. Naw.. sell what you can and cut your losses.. Its a cool project for some with with lots of time and extra money..

.: Scott :.


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Offline scottly

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Re: CB350 Four - Three Wheeled Heap
« Reply #28 on: February 09, 2010, 07:24:11 PM »
We used to see rigs like this all the time in the Pismo dunes, in CA, in the late '70's, early '80's. Mostly cb750's, with the occasional Kawi 3 cylinder 2-stroke thrown in....
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Offline socalenduro

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Re: CB350 Four - Three Wheeled Heap
« Reply #29 on: February 09, 2010, 07:40:12 PM »
switch it out with a 750

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Re: CB350 Four - Three Wheeled Heap
« Reply #30 on: February 09, 2010, 08:51:57 PM »
New tires? Nah, that's what tubes are for! I've had good luck with aero-kroil (SP?) and a really long wrench, but that was breaking loose VW pistons...

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Re: CB350 Four - Three Wheeled Heap
« Reply #31 on: February 09, 2010, 09:10:32 PM »
Just throw the wrench on the main nut and tap back and forth till it starts to move, then tap a little harder. Heard of guys using an impact wrench, think I would turn the power way down though...

Oh yeah, looks like a blast, I'd bomb the hell out of it. Don't need a title if its not on the street, right?

Offline Don R

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Re: CB350 Four - Three Wheeled Heap
« Reply #32 on: February 09, 2010, 09:15:18 PM »
A lot of people got hurt on those things. With stock engines, find some sand or somethng soft to land on. Be careful.
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Offline scottly

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Re: CB350 Four - Three Wheeled Heap
« Reply #33 on: February 09, 2010, 09:23:39 PM »
Right on, Don R, except a lot of people got hurt on 3-wheelers even in the "soft" dunes. Honda quit building the death-traps just before the government forced them to, as I recall...
Don't fix it if it ain't broke!
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Offline Don R

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Re: CB350 Four - Three Wheeled Heap
« Reply #34 on: February 09, 2010, 09:34:38 PM »
I didn't want to be a downer, I even had one with no problem ever, we towed our jr dragsters with it. But my buddy broke his neck, he's mostly OK and the lasting effect got him an early pension when his factory closed.
No matter how many times you paint over a shadow, it's still there.
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Offline scottly

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Re: CB350 Four - Three Wheeled Heap
« Reply #35 on: February 09, 2010, 09:53:15 PM »
Don, it needs to be said that those things were dangerous, even stock.... Thanks for the incentive to point that out.
Scott
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 faux fiddy

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Re: CB350 Four - Three Wheeled Heap
« Reply #36 on: February 09, 2010, 10:50:46 PM »
It needs a new name. 

The Abomination!

Or how about 'the Darwinizer?'
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Offline patricke9

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Re: CB350 Four - Three Wheeled Heap
« Reply #37 on: February 10, 2010, 09:42:50 AM »
I like it as is & agree, get it to fire up & spend as little as possible.  Would I build such a beast? Probly not... would I ride it Hell Yeah! looks like it would be a blast.
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Offline DollarBill

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Re: CB350 Four - Three Wheeled Heap
« Reply #38 on: February 24, 2010, 08:00:48 AM »
Okay fellas....life happens and I'm not going to have room for this at my new place!  Someone come get take it off my hands.  I would love to play with this project but it just isn't going to happen right now.

Seriously....if any of you want it send me a message!  It doesn't have a title, the engine is frozen and the tires are flat.  But hey I'm giving it away for free!!!

I live in Kerrville, Texas which is about an hour northwest of San Antonio!
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1955 BMW R25/3, 1966 Honda CA160, 1975 CB400f, 1975 CB550, 1976 CB550

Offline faux fiddy

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Re: CB350 Four - Three Wheeled Heap
« Reply #39 on: March 14, 2010, 10:03:18 PM »
Hey Dolar Bill-

I thought I'd say "thanks" on the thread and bring it back to the top with a comment or two.

After leaving, we looked at the map  and saw how far Hiway 16 goes , just to take another road. Amazing  that it goes almost to Wichita Falls, to Graham,  and there really aren't many small towns to slow down at , so for any cross-texas travelers it's nice and traffic free compared to   Dallas where the other chunk of 350f came from, and it was 3 hours of traffic.  Be wary of gas retailers on the long haul of 16, they  are less frequent , but a good way to get arounf DFW.

An hour out or so from  Kerville we stopped and checked the trailer, I think I left the breather cover on (the thing I said I didin't have).  Hoping I will find it in the van, but I fear it's blowed off. Maybe if you see it on  a ride, hit the brakes and get it, yuk yuk!

It has everything honda but the frame off now, and I am going after a rocker, of which it has many in better shape than one I've got to replace. After it was apart I reread the post here,  I found the same as you on closer examination- leaves and junk in a sparkhole. Hmmm

Here's one on ebay to look at, too.


 God luck with the 750 frame; it's looking to be pretty modernized bike already.
 
« Last Edit: March 14, 2010, 10:19:36 PM by poor boi »
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Offline faux fiddy

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Re: CB350 Four - Three Wheeled Heap
« Reply #40 on: March 14, 2010, 10:23:52 PM »
Oh yeah, the e-bay link is :

http://cgi.ebay.com/ebaymotors/1974-YAMAHA-RD-350-CONVERSION-3-WHEELER-FRANKENTRIKE_W0QQitemZ250595395521QQcmdZViewItemQQptZUS_motorcycles?hash=item3a58a647c1

if they like the rd thing and are in Pennsylvania, it's up near $175, plus shipping. That mileage is getting expensive.
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Offline seaweb11

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Re: CB350 Four - Three Wheeled Heap
« Reply #41 on: March 14, 2010, 10:47:03 PM »
Awesome find !!!!  Twigs & stuff in the cyl..........Just get another motor and go have fun ;)

Offline faux fiddy

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Re: CB350 Four - Three Wheeled Heap
« Reply #42 on: March 14, 2010, 11:06:11 PM »
For now it is the other motor..or at least a rocker shaft.  The stuff became more useful on a  '74  bike for now. 

The keyed keystart is going to make it look more like a '72 if it works. 

I see that rd trike conversion still up for bids, and this one, and I guess they might have started with a running bike,  or else I don't get it.

You would be really wanting a three wheeler when yours burned up, or who knows. You'd have to be starting with a running bike before you start welding your old 3 wheeler on to it I figure, but either way I need 350 stuff and not the three wheeler.
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Offline DollarBill

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Re: CB350 Four - Three Wheeled Heap
« Reply #43 on: March 15, 2010, 07:33:01 AM »
Hey JP...  It was nice meeting you!  I'm glad you have some use for "the heap" and could take it off my hands! :)  Send pics when you get your bike all put together!  That's pretty wild that you found a Yamaha version too!!!  Hilarious actually!

That's a bummer about the breather cover!  Take care..
Bill

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1955 BMW R25/3, 1966 Honda CA160, 1975 CB400f, 1975 CB550, 1976 CB550

Offline JB_Pgh

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Re: CB350 Four - Three Wheeled Heap
« Reply #44 on: March 15, 2010, 09:53:31 AM »
I can't even find a 350F seat for $50 and you found all of that - well done!
72 CB350F project

Offline Gregorymoto

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Re: CB350 Four - Three Wheeled Heap
« Reply #45 on: March 15, 2010, 10:16:37 AM »
I would clean it up and ride it. It would make a good Pit Bike
Yep, i have issues with this sort of stuff.

Offline faux fiddy

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Re: CB350 Four - Three Wheeled Heap
« Reply #46 on: March 15, 2010, 02:21:20 PM »
Yeah, it would be a fun ride, but putting the effort into the bike I'm working on is priority, it's been sitting in the shop, and it will be a good pit bike, too.


The motor on the trike is frozen up, and the cam sprocket bolt is rotated  down where you can't get a wrench on it. Same as the first motor I took apart, except less accessible and further down.  So I know from experience aproximately what amount of work that motor is from running.
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