Author Topic: Yamaha YG5T 1968 Restore  (Read 2364 times)

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Offline rtbmrgl

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Yamaha YG5T 1968 Restore
« on: June 23, 2020, 05:02:10 PM »
Hello, I haven't posted in awhile, but I have been busy during the Covid19 shut down.
I restored a 1968 Yamaha YG5T Trailmaster 80. Its going to be my camp bike, mounted on the front of my truck/camper.

thanks, Mark
Roseville, Ca

Got Points!

1973 CB500 back yard find 1243 orig mi,  http://forums.sohc4.net/index.php?topic=124285.0
1976 CB750 Restoring,        http://forums.sohc4.net/index.php?topic=132997

Offline rtbmrgl

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Re: Yamaha YG5T 1968 Restore
« Reply #1 on: June 23, 2020, 05:02:51 PM »
More pics
thanks, Mark
Roseville, Ca

Got Points!

1973 CB500 back yard find 1243 orig mi,  http://forums.sohc4.net/index.php?topic=124285.0
1976 CB750 Restoring,        http://forums.sohc4.net/index.php?topic=132997

Offline rtbmrgl

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Re: Yamaha YG5T 1968 Restore
« Reply #2 on: June 23, 2020, 05:03:59 PM »
Finished
thanks, Mark
Roseville, Ca

Got Points!

1973 CB500 back yard find 1243 orig mi,  http://forums.sohc4.net/index.php?topic=124285.0
1976 CB750 Restoring,        http://forums.sohc4.net/index.php?topic=132997

Offline jgger

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Re: Yamaha YG5T 1968 Restore
« Reply #3 on: June 23, 2020, 07:54:31 PM »
Sweet!
"The SOHC4 uses a computer located about 2-3 ft above the seat.  Those sometimes need additional programming." -stolen from  Two Tired

The difference between an ass kisser and brown noser is merely depth perception.  Stolen from RAFster122s

Offline ekpent

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Re: Yamaha YG5T 1968 Restore
« Reply #4 on: June 24, 2020, 08:38:59 AM »
 Looks very nice and must have been a pretty well stored survivor before you started. Any cool history on it like maybe original family or something. How many miles is she showing on the odometer ? Those paint/chrome and rubber knee guard tanks always give me a warm fuzzy feeling from my earlier years.

Offline rtbmrgl

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Re: Yamaha YG5T 1968 Restore
« Reply #5 on: June 25, 2020, 11:19:45 AM »
Looks very nice and must have been a pretty well stored survivor before you started. Any cool history on it like maybe original family or something. How many miles is she showing on the odometer ? Those paint/chrome and rubber knee guard tanks always give me a warm fuzzy feeling from my earlier years.


My cousins had one in '67, it was the first clutch bike I rode.
3494mi. I did bore it 1st over, replace all the seals.
As far as I could tell it never left California, it was definitely not left outdoors. All of the rubber carb boots were supple, light rust. The bike was complete, all original.
Even the cool cloth strap that keeps the oil tank from flopping down when filling still there and in good condition.
I also found a OEM trail sprocket.
thanks, Mark
Roseville, Ca

Got Points!

1973 CB500 back yard find 1243 orig mi,  http://forums.sohc4.net/index.php?topic=124285.0
1976 CB750 Restoring,        http://forums.sohc4.net/index.php?topic=132997

Offline grcamna2

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Re: Yamaha YG5T 1968 Restore
« Reply #6 on: June 25, 2020, 12:09:54 PM »
What type of red paint is that,will it stand-up well? I like that antique Yamaha YG5T,it will make a nice camp-bike.  8)
« Last Edit: June 25, 2020, 04:00:55 PM by grcamna2 »
75' CB400F/'bunch o' parts' & 81' CB125S modded to a 'CB200S'
  I love the small ones too !
Do your BEST...nobody can take that away from you.

Offline Stev-o

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Re: Yamaha YG5T 1968 Restore
« Reply #7 on: June 25, 2020, 02:20:41 PM »
Looks very nice and must have been a pretty well stored survivor before you started. Any cool history on it like maybe original family or something. How many miles is she showing on the odometer ? Those paint/chrome and rubber knee guard tanks always give me a warm fuzzy feeling from my earlier years.



I also found a OEM trail sprocket.

Interesting.  So how does that work, you have to swap the chain?
That whole rear end looks so clean, nice to find bikes in that condition
'74 "Big Bang" Honda 750K [836].....'76 Honda 550F.....K3 Park Racer!......and a Bomber!............plus plus plus.........

Offline ekpent

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Re: Yamaha YG5T 1968 Restore
« Reply #8 on: June 25, 2020, 08:38:23 PM »
 I think some early Honda trail 90's had that double rear sprocket as well.

Offline jgger

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Re: Yamaha YG5T 1968 Restore
« Reply #9 on: June 25, 2020, 09:18:28 PM »
Looks very nice and must have been a pretty well stored survivor before you started. Any cool history on it like maybe original family or something. How many miles is she showing on the odometer ? Those paint/chrome and rubber knee guard tanks always give me a warm fuzzy feeling from my earlier years.



I also found a OEM trail sprocket.

Interesting.  So how does that work, you have to swap the chain?
That whole rear end looks so clean, nice to find bikes in that condition

The tool kit has a section of chain and an additional master link. You use the 4 bolts that hold the sprocket out of the way when not used also hold the overlay sprocket to the "street" sprocket for trail use. Pretty ingenious.
"The SOHC4 uses a computer located about 2-3 ft above the seat.  Those sometimes need additional programming." -stolen from  Two Tired

The difference between an ass kisser and brown noser is merely depth perception.  Stolen from RAFster122s

Offline dave500

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Re: Yamaha YG5T 1968 Restore
« Reply #10 on: June 26, 2020, 01:21:52 AM »
i like it what a gem!good job on restore,i guess a lotta parts were real hard to find?

Offline rtbmrgl

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Re: Yamaha YG5T 1968 Restore
« Reply #11 on: June 26, 2020, 08:05:45 PM »
Hello, to answer all the questions.

1-Shop Line paint, same color as wife's 2020 Elantra, used Preval sprayer, Its suppose to be Candy Apple Red.
   Spray Max 2K clear.

2-what "jgger" says on the sprocket, the small sprocket bolts to the large one, has a boss that spaces the two, threads on the large sprocket. When unbolted you can rotate them. Its a simple system, together the sprockets weight about 4-5 lbs.  The PO ran the chain on the large sprocket without moving it over, completely wore out the sprocket.

3- Dave, actually the parts I bought were fairly reasonable, piston ($11), gaskets, seals, cables. No body parts, everything was there. Paid $650, for the bike, probley spent $400 on parts. A lot are still available from Yamaha, including the chrome side cover and gas cap with the Yamaha logo.

I restored it in record time, bought on April-14, finished May-18. small bikes are so less time consuming.


« Last Edit: June 26, 2020, 08:12:11 PM by rtbmrgl »
thanks, Mark
Roseville, Ca

Got Points!

1973 CB500 back yard find 1243 orig mi,  http://forums.sohc4.net/index.php?topic=124285.0
1976 CB750 Restoring,        http://forums.sohc4.net/index.php?topic=132997

Offline rtbmrgl

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Re: Yamaha YG5T 1968 Restore
« Reply #12 on: June 26, 2020, 08:17:09 PM »
Riding the YG5T with grandson, PW50.


thanks, Mark
Roseville, Ca

Got Points!

1973 CB500 back yard find 1243 orig mi,  http://forums.sohc4.net/index.php?topic=124285.0
1976 CB750 Restoring,        http://forums.sohc4.net/index.php?topic=132997

Offline dave500

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Re: Yamaha YG5T 1968 Restore
« Reply #13 on: June 27, 2020, 01:43:57 AM »
great job,$11 piston!!whats that two beers?

Offline rtbmrgl

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Re: Yamaha YG5T 1968 Restore
« Reply #14 on: June 27, 2020, 07:44:52 PM »
great job,$11 piston!!whats that two beers?

Yes sir Dave, that's what Im talking about.  ;D

The OEM trail sprocket did cost me $73.55, DOH.  Got on eBay, from this guy, mcpartssales, only one that had it.
thanks, Mark
Roseville, Ca

Got Points!

1973 CB500 back yard find 1243 orig mi,  http://forums.sohc4.net/index.php?topic=124285.0
1976 CB750 Restoring,        http://forums.sohc4.net/index.php?topic=132997

Offline dave500

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Re: Yamaha YG5T 1968 Restore
« Reply #15 on: June 27, 2020, 08:07:45 PM »
yeah the sprocket is an oddball thing though?

Offline ekpent

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Re: Yamaha YG5T 1968 Restore
« Reply #16 on: June 28, 2020, 04:58:59 AM »
 Your grandson looks like a real rider. I see a little bit of a bigger bike for him in the near future Grandpa. He is learning the skills now that will make him hopefully a much safer street rider someday if he strays that way. Ride on you two !!

Offline MauiK3

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Re: Yamaha YG5T 1968 Restore
« Reply #17 on: June 28, 2020, 10:33:53 AM »
So cool to see it being passed on!
1973 CB 750 K3
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Offline rtbmrgl

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Re: Yamaha YG5T 1968 Restore
« Reply #18 on: June 28, 2020, 02:50:12 PM »
Your grandson looks like a real rider. I see a little bit of a bigger bike for him in the near future Grandpa. He is learning the skills now that will make him hopefully a much safer street rider someday if he strays that way. Ride on you two !!

Yes ekpent, my next project for him, XR70R,
thanks, Mark
Roseville, Ca

Got Points!

1973 CB500 back yard find 1243 orig mi,  http://forums.sohc4.net/index.php?topic=124285.0
1976 CB750 Restoring,        http://forums.sohc4.net/index.php?topic=132997

Offline Just John

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Re: Yamaha YG5T 1968 Restore
« Reply #19 on: June 28, 2020, 05:24:58 PM »
A friend of mine had one.  It was a new bike and he was a new riders.  He hit a bump one afternoon and he bounced off the seat.  Came down face first on the handlebar cross bar knocking out his front teeth.  He became a minor celebrity as he was the only kid in school with false teeth.
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