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TW200 General Discussion
Started by SweetwaterClyde at 03-10-2010 1:05 PM. Topic has 145 replies.
 
 
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03-10-2010, 1:05 PM
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SweetwaterClyde
Joined on 03-07-2010
Sierra Nevada
Posts 5
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Cool Bikes!!!
Is there shop in Japan than speaks English? I would like to call them. We in US that have TW's need many things for our TW's!
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03-10-2010, 1:24 PM
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srs713

Joined on 09-14-2008
Wichita, KS
Posts 440
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Nice bikes!
Bore 200cc to 236cc, transmission 5 speed to 6!?!?!? How? Whole engine swap or just inside parts?
Stephen S. '07 TW200: 15/50 sprockets, O-ring chain, D2Moto foot pegs tweaked carb (127.5 jet, 0.019 needle shim, idle screw @2.25), Rubbermaid "Action Packer" on homemade brackets
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03-10-2010, 1:35 PM
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Justice

Joined on 04-13-2009
Victoria, B.C.
Posts 83
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Great looking bike Kyosuke. Thanks for posting so many photos. Do you have more information about the big bore kit?
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03-10-2010, 3:35 PM
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novaks44

Joined on 02-04-2009
San Jose, CA
Posts 530
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OMG, those are all GREAT looking bikes! Damn, I need to buy some more TW's......
2009 TW :47T Rear Sprocket; Pro-Circuit Exhaust w/silencer; Jimbo C's Cafe Shield; The usual carb mods; LED speedo and indicator lights; Headlight kill switch; DID O-ring Chain; Ricochet Skid Plate; Osram Rallye H4 bulb; Wolo horn w/relay; KLR pegs
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03-10-2010, 4:23 PM
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lizrdbtrh

Joined on 07-01-2009
Desert, California
Posts 356
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Ronnydog, I'll take a stab at that vent tube, and guess that it's some sort of blowby scavenging setup. From the pics it's difficult to tell, but it may be plumbed into the header. Could just be a puke tube directly to the ground. But that ball valve or whatever the red knob is in the line has me baffled.
Powdercoated '87 frame, disc front, XT350 tank, tall bars, risers, '03 motor and electrical, kickstarter, cut ATV rear rack, TCI front rack, upgraded wiring, kickstart, no safety switches, D2moto pegs, 8" headlight, Bighorn2, 55t, etc. Constantly in flux.
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03-10-2010, 7:55 PM
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Kyosuke

Joined on 03-09-2010
Yokohama Japan
Posts 80
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Thanks! I use cam chain cover is for XT225.
Japanese name is SEROW
part No, 5RK-11160-00-00
chack yamahaHP
TW225(2007model) custom big flont fat tire kit, tank Shroud kit, +20cm long swing arm,ETCsystem(only Japan),HIDsystem,police rader,PWK28φ carburetor,
TW200(1999model) just normal
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03-10-2010, 7:57 PM
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Kyosuke

Joined on 03-09-2010
Yokohama Japan
Posts 80
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just put on. easy
TW225(2007model) custom big flont fat tire kit, tank Shroud kit, +20cm long swing arm,ETCsystem(only Japan),HIDsystem,police rader,PWK28φ carburetor,
TW200(1999model) just normal
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03-10-2010, 8:05 PM
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Kyosuke

Joined on 03-09-2010
Yokohama Japan
Posts 80
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<BLOCKQUOTE><table width="85%"><tr><td class="txt4"><img src="/Themes/default/images/icon-quote.gif"> <strong>Ronnydog wrote:</strong></td></tr><tr><td class="quoteTable"><table width="100%"><tr><td width="100%" valign="top" class="txt4">Kyosuke what is the tube used for running out of your cam chain cover? How did you add a 6th gear? Oh and you should win best TW bike award!!!!!!!!
Ronnydog</td></tr></table></td></tr></table></BLOCKQUOTE>
I watch your TW in internet. hunted deer On your motorcycle.
I like your TW!!!!!!!
TW225(2007model) custom big flont fat tire kit, tank Shroud kit, +20cm long swing arm,ETCsystem(only Japan),HIDsystem,police rader,PWK28φ carburetor,
TW200(1999model) just normal
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03-10-2010, 8:10 PM
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Kyosuke

Joined on 03-09-2010
Yokohama Japan
Posts 80
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We know X yamaha engineer.
He make 6th gear, 236cc,243cc engine.
We order for him.
We don't know how to make, He is professional.
TW225(2007model) custom big flont fat tire kit, tank Shroud kit, +20cm long swing arm,ETCsystem(only Japan),HIDsystem,police rader,PWK28φ carburetor,
TW200(1999model) just normal
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03-10-2010, 8:14 PM
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Kyosuke

Joined on 03-09-2010
Yokohama Japan
Posts 80
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<BLOCKQUOTE><table width="85%"><tr><td class="txt4"><img src="/Themes/default/images/icon-quote.gif"> <strong>SweetwaterClyde wrote:</strong></td></tr><tr><td class="quoteTable"><table width="100%"><tr><td width="100%" valign="top" class="txt4">Cool Bikes!!! <br><br>Is there shop in Japan than speaks English? I would like to call them. We in US that have TW's need many things for our TW's! <br><br><br></td></tr></table></td></tr></table></BLOCKQUOTE>
maybe they can't speak English. but I ask them. I'll do my best!!
TW225(2007model) custom big flont fat tire kit, tank Shroud kit, +20cm long swing arm,ETCsystem(only Japan),HIDsystem,police rader,PWK28φ carburetor,
TW200(1999model) just normal
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03-10-2010, 9:09 PM
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TW-87

Joined on 02-01-2010
Manitoba, Canada
Posts 305
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Re: TW team in Japan
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Kyosuke wrote: | | We know X yamaha engineer.
He make 6th gear, 236cc,243cc engine.
We order for him.
We don't know how to make, He is professional. |
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Kyosuke. Please tell X Yamaha Engineer that many people all over the world admire (like) Yamaha Engineering. The people on this forum also admire the TW200 as a very elegant (beautiful) example of Yamaha Engineering. Many people think the TW200 is a "work of art".
I think that you have made art with your machine also.
TW-87 1987 TW200, 15/44 sprockets, DID O-ring chain, Award winning, "Quick Release" Action Packer :-))
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03-10-2010, 10:11 PM
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Kyosuke

Joined on 03-09-2010
Yokohama Japan
Posts 80
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I contact him just now. one moment please,
TW225(2007model) custom big flont fat tire kit, tank Shroud kit, +20cm long swing arm,ETCsystem(only Japan),HIDsystem,police rader,PWK28φ carburetor,
TW200(1999model) just normal
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03-11-2010, 6:04 AM
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TWrider
Joined on 03-13-2008
NE Ohio
Posts 116
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Kyosuke wrote: | | We know X yamaha engineer.
He make 6th gear, 236cc,243cc engine.
We order for him.
We don't know how to make, He is professional. |
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This shaft needs to be modified or changed to 6spd profile in order to achieve 6 speed, or a whole new TW output shaft must be made.

Top = XT225, 6 speed output shaft Bottom = TW125, TW200, TW225, 5 speed output shaft
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03-11-2010, 9:26 AM
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sibachan
Joined on 03-11-2010
Tokyo JAPAN
Posts 11
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Not whole engine swap.
This picture is my engine.
My engine add tw200 and tw225 and XT225.
Transmission is maybe tw200andXT225.
Friction plate is XT225[6plate] , but it need to shave the cover.
It was not possible to teach about Camshaft and piston .
I am a friend of kyousuke. I understand English only a little.
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03-11-2010, 9:27 AM
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SweetwaterClyde
Joined on 03-07-2010
Sierra Nevada
Posts 5
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The TW225 already has a 6 speed as stock equipment, just like the XT225? At least that is what I am assuming.
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03-11-2010, 9:29 AM
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sibachan
Joined on 03-11-2010
Tokyo JAPAN
Posts 11
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My piston.
I am a friend of kyousuke. I understand English only a little.
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03-11-2010, 9:43 AM
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sibachan
Joined on 03-11-2010
Tokyo JAPAN
Posts 11
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Tw225 has only 5 speed.
I forgot picture a short time ago.
This is my piston.
I am a friend of kyousuke. I understand English only a little.
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03-11-2010, 11:01 AM
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TWrider
Joined on 03-13-2008
NE Ohio
Posts 116
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sibachan wrote: | | .
Transmission is maybe tw200andXT225.
Friction plate is XT225[6plate] , but it need to shave the cover. . |
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My pic is xt225 output shaft on top, TW200 output shaft on bottom...6 speed shaft on top , 5 speed shaft on bottom...the TW has the wrong length splines, and it lacks the extra lubrication hole for the six speed gearset....Yamaha never produced a 6 speed TW output shaft as far as I know...
they make a different clutch cover to run the six disk clutch plate...the xt225 cover works, a tw cover will not work without modification, which is why it needed to be shaved...the crankcase ventilation also differs, so it is not as simple as just bolting up an xt225 clutch cover.
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03-11-2010, 9:26 PM
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QWERTY
Joined on 11-22-2006
Posts 2,360
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Awesome TWs, Team from Japan!
Can the TW 5-speed countershaft can be machined to use the Serow 6-speed transmission and clutch?
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03-11-2010, 11:44 PM
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tok-tokkie

Joined on 06-28-2008
Cape Town
Posts 116
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I hope the picture of the 5 & 6 speed shafts displays & not a whole lot of jumbled text.
Without doing any investigation it looks to me that we could fit the 6 speed shaft into our engine. The splined section would poke through. If we had a separate extension with female splines that fits over the 6 speed to carry our output sprocket complete with the extension that fits into the outrigger bearing. That would be a comparatively easy part to make. Some mods to the sprocket may be required because of the bigger diameter for the female splined piece. The extension piece would be properly supported by the splines on the one side & the outrigger bearing on the other. We would also need to fit the 6 speed gear selector & gears - obviously. What about the clutch?
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03-12-2010, 12:56 AM
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TWrider
Joined on 03-13-2008
NE Ohio
Posts 116
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tok-tokkie wrote: |
Without doing any investigation it looks to me that we could fit the 6 speed shaft into our engine. The splined section would poke through. If we had a separate extension with female splines that fits over the 6 speed to carry our output sprocket complete with the extension that fits into the outrigger bearing. That would be a comparatively easy part to make. Some mods to the sprocket may be required because of the bigger diameter for the female splined piece. The extension piece would be properly supported by the splines on the one side & the outrigger bearing on the other. We would also need to fit the 6 speed gear selector & gears - obviously. What about the clutch?
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you mean like 5463 shaft? Why worry about the clutch? just bolt that spare xt225 motor in your frame, change to the TW stator cover and go...no messy engine disassembly...

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03-12-2010, 10:43 AM
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KenJ (Eccentric Jhon)
Joined on 03-11-2010
Tokyo
Posts 5
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Re: TW team in Japan
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Hello
There is an able engine tuner in Shizuoka in Japan as saying of Kyo-suke and Siba chang. I of the mechanic am all indebted to us. He produces the engine of 236cc and 243cc by misappropriating the piston of other some engines, and is doing various processings to other engine heads. By the way, it is the one that the crank part of my engine also applies the side cover of TW200 to the one of serrow225(xt225). However, it is depending on him whether to accept the contact from foreign countries.
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03-12-2010, 4:34 PM
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tampabrian
Joined on 02-24-2009
tampa florida
Posts 23
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<BLOCKQUOTE><table width="85%"><tr><td class="txt4"><img src="/Themes/default/images/icon-quote.gif"> <strong>Kyosuke wrote:</strong></td></tr><tr><td class="quoteTable"><table width="100%"><tr><td width="100%" valign="top" class="txt4">My English is clumsy, I cannot do an answer individually. If there is some question, please simple English.
thanks</td></tr></table></td></tr></table></BLOCKQUOTE>
beautiful work, America says thank you for the TW
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03-12-2010, 5:27 PM
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davedyno
Joined on 09-14-2009
S.E. MI
Posts 55
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TWrider wrote: | you mean like 5463 shaft?
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You wouldn't happen to know of a source for that shaft by any chance? If I could get my hands on some of that, I might need to round up a TTR motor.......
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03-13-2010, 3:53 AM
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sibachan
Joined on 03-11-2010
Tokyo JAPAN
Posts 11
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This is my clutch.
I read this discussion using yahoo translation.
So i can understand only a little.
Please forgive me If my reply is Irrelevance .
I am a friend of kyousuke. I understand English only a little.
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Yamaha TW200 Tr... » TW200 Forums » TW200 General D... » TW team in Japan
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