Show us a picture of your Twinshock

Need help finding information or parts for that old machine in your shed? Someone in here will know!

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Julz
B grade participant
B grade participant
Posts: 60
Joined: Wed Feb 23, 2011 8:04 pm
Club: Twinshock Trials NZ
Bike: SWM TL320
Location: Kapiti Coast, Wellington, NZ

Re: Show us a picture of your Twinshock

Post by Julz »

I know it's not a twinshock, but our rules are a bit less strict over here, and I'm really enjoying riding my 1985 Fantic 301. Smooth power, nice turning, great climber, and still air cooled and (rear) drum braked... I am keen to get the gearing down further, as it is 11-39, but my KT is 13-52 (about 4:1).
Attachments
Fantic 301 and (very tidy) 200 - we have one other 200 in our club
Fantic 301 and (very tidy) 200 - we have one other 200 in our club
This is my local 'practice' area, but we ran a classic trial here last weekend - great place to ride!
This is my local 'practice' area, but we ran a classic trial here last weekend - great place to ride!
Takhli44
A grade participant
A grade participant
Posts: 116
Joined: Sun Apr 29, 2012 11:19 pm
Bike: TY 175
Location: South Dakota USA

Re: Show us a picture of your Twinshock

Post by Takhli44 »

David Lahey wrote:Looks nice. Did you change the frame geometry? It looks like something has been done at the steering head

Yep! Took about 3 degrees out of the fork angle by sawing the steering head nearly off, pulling back the forks and welding a wedge into the gap. There is an old post
"RL250 Steering geometry correction" (bottom of page) that gives the exact process and dementions. Done this to a couple of frames and the turning radius rivals that of a modern Beta. Picture we refer to is at bottom of page 16.
Don't let competition get in the way of having fun.
Justdrew
Junior participant
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Posts: 18
Joined: Fri Feb 03, 2012 8:21 am
Club: Townsville Motorcycle Restorer
Bike: Sherpa T 158
Location: Townsville

Re: Show us a picture of your Twinshock

Post by Justdrew »

Justdrew wrote:The first ride. Harvey Range in NQ. Met a group of trials riders who ride every Sunday, mainly modern stuff, they were very helpful and friendly.
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Image
Justdrew
Junior participant
Junior participant
Posts: 18
Joined: Fri Feb 03, 2012 8:21 am
Club: Townsville Motorcycle Restorer
Bike: Sherpa T 158
Location: Townsville

Re: Show us a picture of your Twinshock

Post by Justdrew »

Image

Almost completed the refurbishing, just need to connect speedo drive and get horn working for rego.
Horn working at last.
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yammyty
C grade participant
C grade participant
Posts: 35
Joined: Mon May 22, 2006 8:50 pm
Location: Hunter valley

Show us a picture of your Twinshock

Post by yammyty »

ImageUploadedByTapatalk1367320326.607782.jpg
ImageUploadedByTapatalk1367320326.607782.jpg (110.1 KiB) Viewed 7881 times
ImageUploadedByTapatalk1367320405.418505.jpg
ImageUploadedByTapatalk1367320405.418505.jpg (103.67 KiB) Viewed 7881 times

Ty I've been working on!
Jon V8
Expert participant
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Posts: 209
Joined: Tue Dec 28, 2010 10:44 pm
Club: Bath Classic
Bike: Ty250,Ht5.
Location: Near Bath,SW UK.

Re: Show us a picture of your Twinshock

Post by Jon V8 »

Interesting pics,whats going on with the frame behind the gearbox in the footrest / swinging arm pivot area ? Also,whats going on with the oil pump cover ?
I've been toying with the idea of having some clutch covers cast that would look like the ones that people fit on TY175's after removing the oil pump.I think they use one from a YZ mx motor.I reckon they would tidy up the rh side of a TY250 motor really well,would you be interested if I got some cast ?
straightpipe
C grade participant
C grade participant
Posts: 28
Joined: Sun Nov 11, 2012 6:18 pm
Bike: TLR200, KT250

Re: Show us a picture of your Twinshock

Post by straightpipe »

DSC00725.jpeg
DSC00725.jpeg (92.37 KiB) Viewed 7562 times
hi, just a quick look at my "bikeshed". Cheers Ross
Buelligan
C grade participant
C grade participant
Posts: 49
Joined: Thu Apr 15, 2010 7:43 am
Club: AJS + AMTRA
Bike: Cota 4RT Race
Location: South of Adelaide

Re: Show us a picture of your Twinshock

Post by Buelligan »

straightpipe wrote:
DSC00725.jpeg
hi, just a quick look at my "bikeshed". Cheers Ross

Not another TLR hogger !!!
I know someone else like that ! Eh !!! Langy !!!
David Lahey
Champion
Champion
Posts: 4116
Joined: Thu Jun 05, 2003 7:01 pm
Club: CQTC Inc, RTC Inc
Bike: Many Twinshocks
Location: Gladstone, Queensland

Re: Show us a picture of your Twinshock

Post by David Lahey »

Jon V8 wrote:Interesting pics,whats going on with the frame behind the gearbox in the footrest / swinging arm pivot area ? Also,whats going on with the oil pump cover ?
I've been toying with the idea of having some clutch covers cast that would look like the ones that people fit on TY175's after removing the oil pump.I think they use one from a YZ mx motor.I reckon they would tidy up the rh side of a TY250 motor really well,would you be interested if I got some cast ?

Jon, I'm going to have a guess about the frame mods in the footpeg/swingarm pivot area. I reckon he has moved that section of the frame behind the gearbox rearwards, moved the swingarm pivot closer to the rear of the gearbox and lengthened the swingarm.
relax, nothing is under control
straightpipe
C grade participant
C grade participant
Posts: 28
Joined: Sun Nov 11, 2012 6:18 pm
Bike: TLR200, KT250

Re: Show us a picture of your Twinshock

Post by straightpipe »

DSC00792.jpeg
DSC00792.jpeg (147.36 KiB) Viewed 7528 times
Hi, Don't just think i hog TLR's ! (you should have seen them before i spent money on them). That was my "bike shed", this is my work shop. Cheers Ross
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