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Starting a full restoration on my 1967 Triumph T20SM Tiger Cub


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  #1  
Old 12-16-2018, 09:30:49 PM
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Default Starting a full restoration on my 1967 Triumph T20SM Tiger Cub

I have a history with Triumph Motorcycles...A LOVE-HATE relationship. I had my first Triumph, a 1967 200CC Tiger cub when I was in High school in 1969. It was broke more than it ran.
Around 1971, I bought a 1967 Triumph 500, T100C which was a single carb, 500 twin with with the up-swept pipes. I rebuilt it and put a twin carb Daytona head on it and I was "Steve McQueen jr" in the dirt and street. I was 22 yrs old and bullet proof. I sold it a few years later. Roll ahead 18 years, 1992, and at 40, I buy this 1967 Tiger cub from a friend of mine with about 2700 miles on it. I enjoy it around town trails and such. I would take it to the beach areas of Los Angeles in my truck when I and my family would visit my parents. 2009 was the last year the Cub was registered and I parked it.
So now 66 yrs old and the clock ticking away on my motorcycle riding days left, I pulled it out, pulled the engine and today I got the engine most the way torn down. I have a roller crank pin to put in it, newer Amal Concentric carburetor, An "R" cam and I am sending the cases to a guy back east that will do some machining on the case to make it more "Oil Tight". He will build the crank for me as it consists of three pieces, right and left flywheel and crank pin. It needs to be pressed apart, new pin installed with the rod and then balanced and set up between centers and set up with two dial indicators. He will install high grade valve guides and bore the cylinder to fit a larger Japanese bike piston that seals better with good rings.

The FRAME, I will take completely apart after the engine is done and have it powder coated, the tank repainted, install a single Trials seat and alloy rims with Stainless steel spokes. So here is a picture of it as it sat before I took it apart. I will post as I build it. Wish me LUCK and PATIENCE because it is BRITISH!
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Old 12-16-2018, 10:03:20 PM
bartlett0815 bartlett0815 is offline
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Default Re: Starting a full restoration on my 1967 Triumph T20SM Tiger Cub

Motorhead,
That looks like a fun bike. I took my '44 Harley-Davidson WLA out for a spin this afternoon. I don't ride nearly as much as I used to. I need to ride more. I don't have any experience with British bikes but I do have a 1968 Triumph Spitfire that I drove the crap out of in the mid 80's. I plan to get it back on the road before I'm dead. There's a special feeling that comes with riding/driving a vintage machine that everyone else can't believe is actually running. Good luck with your bike and keep us posted.
Kevin in Wilmington, NC
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Old 12-17-2018, 11:42:13 AM
Radiomike Radiomike is offline
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Default Re: Starting a full restoration on my 1967 Triumph T20SM Tiger Cub

I had a tiger Cub back in the early 1960's. Fun bike my wife to be and I did a lot of miles on it. Needed regular TLC but we never broke down. It replaced an earlier triumph terrier of 150cc. In the end I sold it and brought a 500cc Velocette Venom, which I still have.

The Electrics were a weak spot, keeping all the connectors clean and greased with vaseline was a good investment; as well as ground ground return connections. I use valve regulated AGM batteries now, no acid spills.

Mike
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Old 12-18-2018, 12:43:54 AM
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Default Re: Starting a full restoration on my 1967 Triumph T20SM Tiger Cub

love britt bikes, they handle well and fun, had a 68 bonnie back in the day, amel carbs are a pain and electrical not great. but that's part of it...
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Old 12-18-2018, 01:32:59 AM
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Default Re: Starting a full restoration on my 1967 Triumph T20SM Tiger Cub

Got popcorn n cold beer!

Restored my first Triumph, a 1968 T120R Bonneville, back around 1985. Everything torn down to the last English nut and bolt.... Still have it, been in storage a long time now though.

I'll have to dig around for a few of the after pics, this pic is from when most of the chassis was done. Ended up pulling the twin carb head and going with a single carb head. Zero problems with that "one" anal carb......

Also no visits from the Prince of Darkness! Custom rewire, aftermarket regulator/rectifier combo etc. 30K+ miles and it always got me home. A bit shaken, but not stirred!
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Old 12-18-2018, 02:41:47 AM
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Default Re: Starting a full restoration on my 1967 Triumph T20SM Tiger Cub

About 5 years ago, I bought a one owner, 1970 Triumph Bonneville. It had been mostly restored but someone had not done the best job with it. The paint and trim was real nice. I guess in the years between owning my 500 trophy and the Bonneville, I forgot what Ba$tards Triumphs are to work on. i took the twin carb head off and it was junk. I had to find a good used Bonneville head which was a bugger to find and have it completely rebuilt. It needed pistons and rebore, the clutch slipped and all that had to be rebuilt. By the time I had it all straightened out, I realized I didn't want all the trouble in a bike I wanted to ride distances. I sold it and exported it back to England.
I replaced the Bonnie with a 2007 BMW R1200GS. Now THAT'S a BIKE. Turn the key, push the start button and it flies!
I have kept the Cub for Posterity!
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