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Author Topic: Yamaha TW200.. the swamp donkey  (Read 6838 times)

Offline Hurco550

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Re: Yamaha TW200.. the swamp donkey
« Reply #90 on: Aug 15, 2018, 23:17:41 »
Got a little lathe time in making the extension for the bw200 front -hub-to-rear-hub conversion. I had to turn a bit of the drum side tube of the bw hub down to make clearance for the brake plate to rest on the inner bearing race itself instead of the tube. I then turned and bored one end of a piece of heavy tube to press fit over the hub, then bored the other end to fit the bearings and seals. Yes that's right, bearings, plural. The stock tw hub had two bearings side by side on the sprocket side of the hub. I figured the engineers had a reason for this, so I'd do the same, plus it means that it'll use all standard tw200 bearings for if they ever need replaced again. I also turned a shoulder on the o.d. so ill have a square shoulder to press and weld the sprocket carrier against. I drilled a few holes to plug weld the extension onto the hub and pressed it on and welded it up. Once it was welded, I put fresh bearings in with the stock tw spacer. I checked for run- out, and all 4 tabs are within .020", and the welded tube itself is within .003". I'm not sure how close the tabs were from the factory, so I'm not gonna sweat it too much.

Also, a cool dude from the dr650 facebook page sent me a stock white fender for the cost of shipping, so it matches the white front fender.  (Stock rear wheel just mounted back on for some measurements)

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"If you just picked up a drug habbit instead of a kawasaki triple at least you could get high while you waste money"
~ bradj
1988 tw200, the swamp donkey: http://www.dotheton.com/forum/index.php?topic=75455.0
2006 Suzuki DR650 Adventure monowheel trailer build: http://www.dotheton.com/forum/index.php?topic=75033.0
1976 BMW R90/6 farkilitious: http://www.dotheton.com/forum/index.php?topic=74349.msg882477#msg882477
1975 RD350 Road Racer: http://www.dotheton.com/forum/index.php?topic=70652.msg833688#msg833688
1976 GT250 Rebuild: http://www.dotheton.com/forum/index.php?topic=64973.new#new
Full Custom Pit Bike: http://www.dotheton.com/forum/index.php?topic=66954.new#new
1971 Yamaha 90cc twin HS1: http://www.dotheton.com/forum/index.php?topic=70498.0
"much ingenuity with a little money is more profitable and amusing than much money without ingenuity" - Arnold Bennet

Offline Pete12

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Re: Yamaha TW200.. the swamp donkey
« Reply #91 on: Aug 16, 2018, 09:15:07 »
Wow, nice work on the wheel, well thought out and well finished.

Offline advCo

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Re: Yamaha TW200.. the swamp donkey
« Reply #92 on: Aug 16, 2018, 09:19:06 »
Impressive.
"He broke the mirrors off his Cadillac, 'cause he doesn't like it looking like he looks back."

74 CB360 - Luna - http://www.dotheton.com/forum/index.php?topic=63294.0 - Sold
82 GS550L - Tracker-ish - http://www.dotheton.com/forum/index.php?topic=67229.0 - Sold
74 XL350 - The Turd - http://www.dotheton.com/forum/index.php?topic=70252.0 - Sold
Suzuki FA50 "No-Ped" - http://www.dotheton.com/forum/index.php?topic=71189.0
73 Suzuki RV125 -http://www.dotheton.com/forum/index.php?topic=73875.0
'97 BMW F650st - http://www.dotheton.com/forum/index.php?topic=75732.0

Offline Hurco550

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Re: Yamaha TW200.. the swamp donkey
« Reply #93 on: Aug 16, 2018, 22:56:25 »
Wow, nice work on the wheel, well thought out and well finished.
Impressive.
Thanks fellas!

Sent from my SM-G920V using Tapatalk

"If you just picked up a drug habbit instead of a kawasaki triple at least you could get high while you waste money"
~ bradj
1988 tw200, the swamp donkey: http://www.dotheton.com/forum/index.php?topic=75455.0
2006 Suzuki DR650 Adventure monowheel trailer build: http://www.dotheton.com/forum/index.php?topic=75033.0
1976 BMW R90/6 farkilitious: http://www.dotheton.com/forum/index.php?topic=74349.msg882477#msg882477
1975 RD350 Road Racer: http://www.dotheton.com/forum/index.php?topic=70652.msg833688#msg833688
1976 GT250 Rebuild: http://www.dotheton.com/forum/index.php?topic=64973.new#new
Full Custom Pit Bike: http://www.dotheton.com/forum/index.php?topic=66954.new#new
1971 Yamaha 90cc twin HS1: http://www.dotheton.com/forum/index.php?topic=70498.0
"much ingenuity with a little money is more profitable and amusing than much money without ingenuity" - Arnold Bennet

Offline Hurco550

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Re: Yamaha TW200.. the swamp donkey
« Reply #94 on: Aug 16, 2018, 22:58:27 »
 Some small bits done. I felt like 70's squish grips fit the bill on this machine with a few fresh cables and new levers installed as well.

Sent from my SM-G920V using Tapatalk

"If you just picked up a drug habbit instead of a kawasaki triple at least you could get high while you waste money"
~ bradj
1988 tw200, the swamp donkey: http://www.dotheton.com/forum/index.php?topic=75455.0
2006 Suzuki DR650 Adventure monowheel trailer build: http://www.dotheton.com/forum/index.php?topic=75033.0
1976 BMW R90/6 farkilitious: http://www.dotheton.com/forum/index.php?topic=74349.msg882477#msg882477
1975 RD350 Road Racer: http://www.dotheton.com/forum/index.php?topic=70652.msg833688#msg833688
1976 GT250 Rebuild: http://www.dotheton.com/forum/index.php?topic=64973.new#new
Full Custom Pit Bike: http://www.dotheton.com/forum/index.php?topic=66954.new#new
1971 Yamaha 90cc twin HS1: http://www.dotheton.com/forum/index.php?topic=70498.0
"much ingenuity with a little money is more profitable and amusing than much money without ingenuity" - Arnold Bennet

Offline trek97

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Re: Yamaha TW200.. the swamp donkey
« Reply #95 on: Aug 17, 2018, 07:24:21 »
NICE!

Offline pidjones

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Re: Yamaha TW200.. the swamp donkey
« Reply #96 on: Aug 17, 2018, 15:26:42 »
Your arms are going to be onfire after riding that in mud!
"Love 'em all.... Let God sort 'em out!"

Offline Hurco550

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Re: Yamaha TW200.. the swamp donkey
« Reply #97 on: Aug 17, 2018, 15:29:04 »
Your arms are going to be onfire after riding that in mud!
Why is that?

Sent from my SM-G920V using Tapatalk

"If you just picked up a drug habbit instead of a kawasaki triple at least you could get high while you waste money"
~ bradj
1988 tw200, the swamp donkey: http://www.dotheton.com/forum/index.php?topic=75455.0
2006 Suzuki DR650 Adventure monowheel trailer build: http://www.dotheton.com/forum/index.php?topic=75033.0
1976 BMW R90/6 farkilitious: http://www.dotheton.com/forum/index.php?topic=74349.msg882477#msg882477
1975 RD350 Road Racer: http://www.dotheton.com/forum/index.php?topic=70652.msg833688#msg833688
1976 GT250 Rebuild: http://www.dotheton.com/forum/index.php?topic=64973.new#new
Full Custom Pit Bike: http://www.dotheton.com/forum/index.php?topic=66954.new#new
1971 Yamaha 90cc twin HS1: http://www.dotheton.com/forum/index.php?topic=70498.0
"much ingenuity with a little money is more profitable and amusing than much money without ingenuity" - Arnold Bennet

Offline pidjones

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Re: Yamaha TW200.. the swamp donkey
« Reply #98 on: Aug 17, 2018, 16:13:11 »
Those big tires get hold of the mud and it will be a handfull!
"Love 'em all.... Let God sort 'em out!"

Offline Hurco550

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Re: Yamaha TW200.. the swamp donkey
« Reply #99 on: Aug 17, 2018, 16:27:08 »
Those big tires get hold of the mud and it will be a handfull!
Oh I gotcha. Very well could be, but I've also spent a fair amount of time on a nearly 400lb. DR650 plodding through mud and various other gnarly single track, so I'm hoping I can handle a 240lb tw200, regardless of the front tire being marginally wider. Time will tell though lol

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« Last Edit: Aug 17, 2018, 16:31:05 by Hurco550 »
"If you just picked up a drug habbit instead of a kawasaki triple at least you could get high while you waste money"
~ bradj
1988 tw200, the swamp donkey: http://www.dotheton.com/forum/index.php?topic=75455.0
2006 Suzuki DR650 Adventure monowheel trailer build: http://www.dotheton.com/forum/index.php?topic=75033.0
1976 BMW R90/6 farkilitious: http://www.dotheton.com/forum/index.php?topic=74349.msg882477#msg882477
1975 RD350 Road Racer: http://www.dotheton.com/forum/index.php?topic=70652.msg833688#msg833688
1976 GT250 Rebuild: http://www.dotheton.com/forum/index.php?topic=64973.new#new
Full Custom Pit Bike: http://www.dotheton.com/forum/index.php?topic=66954.new#new
1971 Yamaha 90cc twin HS1: http://www.dotheton.com/forum/index.php?topic=70498.0
"much ingenuity with a little money is more profitable and amusing than much money without ingenuity" - Arnold Bennet