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Old 11-11-2013, 12:04 PM   #1
John Ashman OP
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Yamaha TCROSS 500cc twin dirt bike.....

http://www.scootersales.com.au/news-...-modified.aspx

So......about 380lbs wet, twin cylinder.......DP bike......

And, okay, aside from the fact that it started as a $%^# scooter and it has CVT and is a bit too heavy for it, why is this not "a thing"? Honda has a light twin. Yamaha has two. Kawasaki has their twin in various sizes. Suzuki just came up with one finally. Triumph can have one just by lopping a cylinder off the 800. Aprilia has one that could use a detuning.

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Old 11-11-2013, 01:23 PM   #2
MORT666
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That could be good.
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Old 11-11-2013, 02:33 PM   #3
GrahamD
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Get the thumbs up from me.

You should be more kind to scooters. They donate organs.
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Old 11-11-2013, 03:36 PM   #4
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Somehow there seems to be lock on the idea that a dirt bike must be a single. The Aprilia RXV 450 & 550 has been the only thing I've seen come along that tries to break that mold.

I think for the sub 500cc sizes a single probably makes the most sense, but when you get to 650 or so I think a twin can make better sense. You've already crossed over into the heavy arena and the mission statement becomes something other than motocross and closed course racing.

I'm waiting for the 500 - 650 size twin ADV revolution......., or maybe for it just to come back around again because they all existed before. Maybe companies offered just such a bike, where are they now?????
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Old 11-11-2013, 04:04 PM   #5
Erndog
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I'm guessing it has the variable pulley/no gears belt drive to the jackshaft that drives the front sprocket? I wonder how that'll hold up to dirt, sand and water? Like taking the recluse a step farther??
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Old 11-11-2013, 04:21 PM   #6
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Quote:
Originally Posted by Erndog View Post
I'm guessing it has the variable pulley/no gears belt drive to the jackshaft that drives the front sprocket? I wonder how that'll hold up to dirt, sand and water? Like taking the recluse a step farther??


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Old 11-14-2013, 06:10 AM   #7
John Ashman OP
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It would be a helluva a super moto as well, with a manual transmission.
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Old 11-14-2013, 07:07 AM   #8
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Quote:
Originally Posted by Erndog View Post
I'm guessing it has the variable pulley/no gears belt drive to the jackshaft that drives the front sprocket? I wonder how that'll hold up to dirt, sand and water? Like taking the recluse a step farther??
ATVs have had the same setup for years , polaris , yamaha etc , i've seen them cross rivers and get the bel housing complitely filled with water, a couple of revs and its dry and movinga again
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Old 11-14-2013, 07:30 AM   #9
WIsixfitty
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Some engine and drivetrain prolly borrowed from the Phazer (along with the scooter) which is a 500cc twin with a cvt trans.



On sand or any slippy higher load surface the cvt bike will easily beat the manual shifter. There's a reason sleds have a cvt.
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Old 11-14-2013, 07:39 AM   #10
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Quote:
Originally Posted by John Ashman View Post
http://www.scootersales.com.au/news-...-modified.aspx

So......about 380lbs wet, twin cylinder.......DP bike......

And, okay, aside from the fact that it started as a $%^# scooter and it has CVT and is a bit too heavy for it, why is this not "a thing"? Honda has a light twin. Yamaha has two. Kawasaki has their twin in various sizes. Suzuki just came up with one finally. Triumph can have one just by lopping a cylinder off the 800. Aprilia has one that could use a detuning.

With that huge engine and CVT,maybe more like 440lbs dry?

Auto trans in bikes seem to get panned by most motorcylists who ride them,shifting is part of the fun and direct hookup is also fun.
Scooter people like the mushy takeup of power just fine and not having to learn how to handle a clutch.
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Old 11-14-2013, 08:15 AM   #11
sanjoh
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Wheelbase looks a bit LONG, compliments of the CVT no doubt.

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Old 11-14-2013, 12:18 PM   #12
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Quote:
Originally Posted by Foot dragger View Post
With that huge engine and CVT,maybe more like 440lbs dry?

Auto trans in bikes seem to get panned by most motorcylists who ride them,shifting is part of the fun and direct hookup is also fun.
Scooter people like the mushy takeup of power just fine and not having to learn how to handle a clutch.
I had a Aprillia Mana as a loaner for a few days. rode the great roads of N. Ga with it, was grinning every mile. Easy to ride well, always in the meat of the torque curve, brake for the turn then twist the throttle...... perfect.

I've gotta Vespa 300 and it puts the same grin on my face. Road it cross country last year 5k miles in 30 days, best cross country trip ever, and I've had many.

Paul
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Old 11-14-2013, 01:12 PM   #13
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Quote:
Originally Posted by Foot dragger View Post
With that huge engine and CVT,maybe more like 440lbs dry?
The Yamaha specs say 360lbs dry.
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Old 11-14-2013, 03:35 PM   #14
ssregal39
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Wow a jacked up T-max. Interesting.

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Old 11-14-2013, 09:24 PM   #15
CajunRider
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Originally Posted by sanjoh View Post
Wheelbase looks a bit LONG, compliments of the CVT no doubt.
Also... Rear swing arm looks kind of short... I wonder what kind of travel they got out of the rear suspension??

Other than that... looks neat.

Anything that'll get more people on two wheels can't that bad a thing!
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