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Author Topic: What Size Engine? What Model? Yamaha  (Read 3462 times)

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Offline 547

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What Size Engine? What Model? Yamaha
« on: May 11, 2009, 01:48:35 PM »
I am thinking of buying this bike. It runs and is real cheap but all the ad says is "dirt bike runs good needs work- $150"
can anyone identify this bike?
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Offline Tim.

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Re: What Size Engine? What Model? Yamaha
« Reply #1 on: May 11, 2009, 02:51:27 PM »
No idea, but it would seem by 'dirt bike' they really mean dirt tracker.  Buy it - seat is worth 1/2 or more of what you're paying for the bike.
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Offline 547

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Re: What Size Engine? What Model? Yamaha
« Reply #2 on: May 11, 2009, 02:52:56 PM »
it's gotta be at least 250cc, right?
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Offline Really?

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Re: What Size Engine? What Model? Yamaha
« Reply #3 on: May 11, 2009, 03:05:49 PM »
I am interested to see what turns up on this.  I have googled a bit and the closest I can find to that egine side cover is at http://www.randymott.com/tracker.htm  Makes me wonder is the top end is from another bike.  The tope end looks like it is for yammi's a few years later.

I'll bet Ecosse would have some good insight on this.
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Offline bill440cars

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Re: What Size Engine? What Model? Yamaha
« Reply #4 on: May 11, 2009, 03:37:48 PM »


       Might be wrong, but looks like a 500 twin (TX500?) Not clear on the model. :)
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Offline Really?

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Re: What Size Engine? What Model? Yamaha
« Reply #5 on: May 11, 2009, 03:39:55 PM »
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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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The Kid's Bike - 750K3

Offline bill440cars

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Re: What Size Engine? What Model? Yamaha
« Reply #6 on: May 11, 2009, 03:43:02 PM »
Quote from: GigaWhiskey on May 11, 2009, 03:39:55 PM
Might be a winner!

http://www.yamaha-motor.com/sport/epic_mcy/1973_tx500_1.aspx

      Here's the one I found, to show.


             


          Ha, looks like mine is the same shot, as >Giga's! 8)
« Last Edit: May 11, 2009, 03:47:38 PM by bill440cars »
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Member # 1969
PRAYERS ALWAYS FOR: Bre, Jeff & Virginia, Bear, Trevor & Brianna ( Close Friend's Daughter)
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Offline 547

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Re: What Size Engine? What Model? Yamaha
« Reply #7 on: May 11, 2009, 03:46:56 PM »
you are a winner. i'm the loser :'(
just got in touch with the guy

he couldn't talk because he was loading it into the new owners truck.
second one in one week slipped through my fingers.
the more i look at that photo the more i want to poke my eyes out
oh well
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Offline bill440cars

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Re: What Size Engine? What Model? Yamaha
« Reply #8 on: May 11, 2009, 03:55:02 PM »
Quote from: 547 on May 11, 2009, 03:46:56 PM
you are a winner. i'm the loser :'(
just got in touch with the guy

he couldn't talk because he was loading it into the new owners truck.
second one in one week slipped through my fingers.
the more i look at that photo the more i want to poke my eyes out
oh well

     Too bad that that one got away. Don't give up now! ;)  I don't know much about the history of the TX500, except it is a DOHC, 8-valve, 500cc Vertical twin. I think they made a 750 also but, don't quote me on THAT one. ::) Now, you keep looking, there's one one out there with YOUR name on it. ;)
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PRAYERS ALWAYS FOR: Bre, Jeff & Virginia, Bear, Trevor & Brianna ( Close Friend's Daughter)
"Because HE lives, I can Face Tomorrow"                  
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Main Rides: '02 Durango, '71 Swinger & Dad's '93
                  Dakota LE 4x4 '66 CB77 & '72 SL350K2
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Offline 547

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Re: What Size Engine? What Model? Yamaha
« Reply #9 on: May 11, 2009, 04:03:46 PM »
all lonely abandoned vintage jap twins have my name on them. i'll bring another one home soon enough.
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Offline cb650

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Re: What Size Engine? What Model? Yamaha
« Reply #10 on: May 11, 2009, 04:05:19 PM »
At that price looks good to buy just cause.  OK if you have the cash and no honda parts to buy.  We did touch on the 750 in one of the 650 threads. Some pics showed up in it.
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Offline BeSeeingYou

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Re: What Size Engine? What Model? Yamaha
« Reply #11 on: May 11, 2009, 08:03:57 PM »
It is also know as an XS500.  The TX was only used for 73 and maybe some 74 year bikes.  There have been a couple for sale here lately.  I don't know much about them but I thought they had Hitachi carbs(not sure on this) and rebuild kits may be hard to come by.  It is a good looking bike with an engine a bit ahead of it's time. 
« Last Edit: May 11, 2009, 08:39:22 PM by srust58 »
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Offline bill440cars

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Re: What Size Engine? What Model? Yamaha
« Reply #12 on: May 11, 2009, 08:16:52 PM »
Quote from: srust58 on May 11, 2009, 08:03:57 PM
It is also know as an XS500.  The TX was only used for 73 and maybe some 74 year bikes.  There have been a couple for sale here lately.  I don't know much about them but I thought they had Hitachi carbs and rebuild kits may be hard to come by.  It is a good looking bike with an engine a bit ahead of it's time.

                  You know, I was thinking that I remembered there being an XS version, but I sure wouldn't have sworn by it. :-\  Appreciate the additional info on it. ;)
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Member # 1969
PRAYERS ALWAYS FOR: Bre, Jeff & Virginia, Bear, Trevor & Brianna ( Close Friend's Daughter)
"Because HE lives, I can Face Tomorrow"                  
 You CAN Teach An Old Dog New Tricks, Just Takes A Little Bit Longer & A Lot More Patience!! 
             
Main Rides: '02 Durango, '71 Swinger & Dad's '93
                  Dakota LE 4x4 '66 CB77 & '72 SL350K2
Watch What You Step Into, It Could  End Up A Mess!

Offline bryanj

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Re: What Size Engine? What Model? Yamaha
« Reply #13 on: May 11, 2009, 09:10:27 PM »
Its also the worst japanese bike ever, made 70's Triumphs look reliable and oil tight
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Offline BeSeeingYou

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Re: What Size Engine? What Model? Yamaha
« Reply #14 on: May 11, 2009, 09:40:26 PM »
I think this one also has the crankshaft balancer making it very smooth for a twin.  That and the cam chain would need to be properly adjusted on a regular basis.  They may have a tendency to leak oil.
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Offline 754

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Re: What Size Engine? What Model? Yamaha
« Reply #15 on: May 11, 2009, 11:33:06 PM »
"Chains by the Yard,

on Sprockets that turn hard"... :o

is how one bike mag editor, so aptly put it, back in the day..

The 750 is easy to tell, it has a cast exhaust manifold bolted to the engine, then, the pipes come out of that..
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Offline bryanj

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Re: What Size Engine? What Model? Yamaha
« Reply #16 on: May 12, 2009, 05:25:05 AM »
"Might Leak Oil!!" Second only to Torrey Canyon (try goole)
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Offline tbpmusic

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Re: What Size Engine? What Model? Yamaha
« Reply #17 on: May 12, 2009, 08:14:22 AM »
Quote from: bryanj on May 11, 2009, 09:10:27 PM
Its also the worst japanese bike ever, made 70's Triumphs look reliable and oil tight

I think that's debatable - my vote for worse bike would go to the old Kawasaki W1 model.
I had the great misfortune to work on a couple in the late 60's, an experience I won't soon forget......
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Offline bryanj

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Re: What Size Engine? What Model? Yamaha
« Reply #18 on: May 12, 2009, 09:12:58 AM »
You may be right there, i should have added "IN UK". The W1 never came here until its recent re-design
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Semi Geriatric ex-Honda mechanic and MOT tester (UK version of annual inspection). Garage full of "projects" mostly 500/4 from pre 73 (no road tax in UK).

Remember "Its always in the last place you look" COURSE IT IS YOU STOP LOOKIN THEN!

Offline tbpmusic

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Re: What Size Engine? What Model? Yamaha
« Reply #19 on: May 12, 2009, 01:29:38 PM »
Quote from: bryanj on May 12, 2009, 09:12:58 AM
You may be right there, i should have added "IN UK". The W1 never came here until its recent re-design


Hmmm....

Japan must have been still pissed at us about the war.....
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