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Enthusiasts from around the world dedicated to the preservation and ritual flogging of the infamous Kawasaki 2-stroke Triples
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 Post subject: Another little Yamaha
PostPosted: Tue Jan 31, 2017 11:15 pm 

Joined: Sat Jun 11, 2011 5:13 pm
Posts: 51
Location: Globe, AZ
I agree little Yamahas are a blast!
Built this one last summer, a YL1 100 twinjet.

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Made some rear-sets, modified some side bleed moped pipes.

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The tires are super sticky Hutchinsons, visor from a flight helmet for a windscreen.

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60's GranPrix racing at 60mph :P

Lots of parts left over from this build, see For Sale section.


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PostPosted: Wed Feb 01, 2017 2:31 am 
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Joined: Fri Jun 10, 2011 11:04 am
Posts: 3490
Location: Capitol of Ca, USA
Nice build indeed! :clap:

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"Only cheat the cheaters, boy - you can't cheat an honest man!" Mordecai Jones - The Flim Flam Man.


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PostPosted: Wed Feb 01, 2017 4:39 am 
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Joined: Thu Jun 09, 2011 7:03 am
Posts: 4603
Location: Milang, South Australia
Yeah, that is good!!

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"One day, your life will flash before your eyes. Make sure it's worth watching." : anon.


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PostPosted: Wed Feb 01, 2017 5:11 am 

Joined: Thu Jun 09, 2011 11:25 am
Posts: 3137
Nice looking Yamaha twin. I just know it is so much fun to ride. There are not a lot of these great early bikes left around, what a shame.

In my front room, I have a Twin Jet 100. Out in the storage, two 200 twins, a YDS3C Big Bear Scrambler, and a low pipe 305. I also have a few rotary valve singles as well. And, 12 Bridgestone singles and twins.


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PostPosted: Wed Feb 01, 2017 5:12 am 
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Joined: Thu Jun 09, 2011 3:06 am
Posts: 4364
Location: PARIS FRANCE
very rare now and awesome look :thumbup:


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PostPosted: Wed Feb 01, 2017 5:40 am 

Joined: Mon Aug 06, 2012 2:57 pm
Posts: 847
Location: Monterey Ca
Great job

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Current bikes: H1 69,71,72,76 KH 500, H2 72(2),73,74,75(3) , 77RD 400, 08 KLR 650. 76 KZ 900, Yamaha RZ 500, ihave so many triples gave up listing them.
Have seversl tons of H1/H2/S parts for sale, http://www.triplestuff.net dhg1337@gmail.com


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PostPosted: Wed Feb 01, 2017 7:46 am 
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Joined: Wed Jun 08, 2011 10:08 pm
Posts: 1901
Location: Campbellville Ontario
I love it...also having a hard time figuring out the pipes? Are there 4?


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PostPosted: Wed Feb 01, 2017 8:44 am 
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Joined: Wed Jun 08, 2011 10:12 pm
Posts: 2161
love it. also rare to see a bleed pipe used on an older bike. very very cool indeed. i bet its a riot to ride :thumbup:


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PostPosted: Wed Feb 01, 2017 11:32 am 
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Joined: Tue Jun 07, 2011 6:37 am
Posts: 10460
Location: Rio Rancho, New Mexico
Cool build Pete! :thumbup: She is sharp!

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Twist the throttle, tilt the horizon, and have a great time. What triples are all about...........


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PostPosted: Wed Feb 01, 2017 6:41 pm 

Joined: Thu Jun 09, 2011 11:25 am
Posts: 3137
To go a bit further with M's "bleed pipe". the stinger and muffler are under the rest of the expansion chamber, as is done on a lot of both 2 stroke go-carts and snowmobiles. The rear of the rear cones are closed off, and the bleed pipe is taken close to the junction of the center section and rear cones. This makes the stinger a simple pressure bleed, not a tuning device any longer.

A Kawasaki triple racer from the early to mid-1970's, the late George Roche, used to build exhaust pipes for racing. They were conventional for the time, and had one difference from others. The stinger was half way into the rear cone, halfway out. The stingers that way quieted down the pipe note a bit, made no increase in power and/or torque.


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