Author Topic: Sp 400  (Read 37593 times)

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oldfart

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Re: Sp 400
« Reply #15 on: May 19, 2013, 08:50:04 pm »
I have ... DR 500 and 400 tanks in both steel and alloy,( they look too bulky ) Plus I have   Rm 125 B - Tm 125 - Rm 125 S and Rm 125 T to choose from.
At this stage I'm leaning towards a Rm 125 T.

Offline SON

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Re: Sp 400
« Reply #16 on: May 19, 2013, 09:20:02 pm »
TM / RMS Long Slim similar to YZ C
Most of all it looks good on the SP / DR

Offline shelpi

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Re: Sp 400
« Reply #17 on: May 20, 2013, 01:07:55 pm »
TM / RMS Long Slim similar to YZ C
Most of all it looks good on the SP / DR
;) yep gotta be alloy

Offline SON

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Re: Sp 400
« Reply #18 on: May 20, 2013, 06:47:06 pm »
RH/RN for that works look

oldfart

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Re: Sp 400
« Reply #19 on: May 20, 2013, 07:19:21 pm »
Son... so you have a spare laying around to donate to a worthy cause  ;D
Had a play this arvo ....Rm 125 T looks quite trick but the rear hold down tab sits too high and would need to rework the rails .... that's out of the question.
Rm 125 B fit straight in with no mods .... for me I need something different ( DRM has a RM 125 tank )
So it's plan B ...Tm 100/125 tank with a bit cut and tucking to pull it back 20mm to allow fork tubes clearance.
While I'm at it I need a seat base with brackets  Rm - Pe  part number 40310-81065 stamped on underside
« Last Edit: May 20, 2013, 08:09:20 pm by oldfart »

oldfart

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Re: Sp 400
« Reply #20 on: August 13, 2013, 05:58:29 pm »
Frosty came good with a seat which allowed me to progress forward ..... today I cut the top rail out and dropped it by 10mm which allows the tank to clear the forks on full lock and also it's on the same line as the seat.    ( string line = centres and height )
Also adjusted the rake to 30 degrees ( see heat mark on down tube ) as the Sp was at 32.5 degrees ( level shows 60  do your maths )  heated up rear intersecting rails and bent them in 8mm each side .... this allows me now to fit any combination of tanks being RM to Tm 125.
 



















 
« Last Edit: August 13, 2013, 06:04:50 pm by oldfart »

Offline mick25

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Re: Sp 400
« Reply #21 on: August 13, 2013, 07:38:44 pm »
Frosty came good with a seat which allowed me to progress forward ..... today I cut the top rail out and dropped it by 10mm which allows the tank to clear the forks on full lock and also it's on the same line as the seat.    ( string line = centres and height )
Also adjusted the rake to 30 degrees ( see heat mark on down tube ) as the Sp was at 32.5 degrees ( level shows 60  do your maths )  heated up rear intersecting rails and bent them in 8mm each side .... this allows me now to fit any combination of tanks being RM to Tm 125.
 



















 
Nice work stew , I had a DR500 a while back the RM 125c tank looked ok on it, but the TM125 tank would look better but not alloy,
I ended up with a YZ125 C tank on it ???Suzuki HL500 looked good but 8)
On my rake cuts I have done  :o  I changed the DR500 rake to 27 deg I found it a lot better than standard on corner speed .
wheel base was 1480mm within a inch of modern bikes specs. 
The modern bikes are 27 deg. my two bobs worth.

Offline SON

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Re: Sp 400
« Reply #22 on: December 21, 2013, 08:46:31 pm »
How is this progressing??

oldfart

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Re: Sp 400
« Reply #23 on: January 07, 2014, 05:47:57 pm »
Pulled my finger out and have fabricated an alloy box  which allowed me to move forward again ....
All mounting brackets are in place . airbox  x 4,    rear guard x 4,     exhaust @ end of seat rail LHS X 1 plus one on rear engine mount cross bar,
side covers  x 4,     chain rollers  upper and lower,   seat @ rear of rails , tank rear mount  and also front mounts
CDI @ front of steering stem. and a steering stop below lower bearing.
Currently grafting a Pe 250 swing in place as I'm  wanting to run a cush drive rear hub  Dr 400 as it's not so hard on the gear box .
Tank is almost complete as I had to reshape the tunnel again ::) due to changing steering rake to 30 degrees

Will show a mock up in coming weeks  when tank is complete ...... stay tuned

   
« Last Edit: January 08, 2014, 08:14:15 pm by oldfart »

oldfart

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Re: Sp 400
« Reply #24 on: January 07, 2014, 05:53:08 pm »

Offline crs-and-rms

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Re: Sp 400
« Reply #25 on: January 07, 2014, 07:01:04 pm »
looks great wish i had your skills

Offline shelpi

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Re: Sp 400
« Reply #26 on: January 08, 2014, 11:54:09 am »
looking good and the cush drive is a great idea, bloody well done  ;) cant wait to see it finished

Offline Doc

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Re: Sp 400
« Reply #27 on: January 08, 2014, 04:03:05 pm »
Stew, I fitted a DR500 cush drive rear to my 400C years ago and never looked back. Benefits far outweigh a little extra weight. The SP is looking good bloody great! love your work ;)

Offline firko

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Re: Sp 400
« Reply #28 on: January 08, 2014, 04:15:45 pm »
Good work Stewie.......You're an inspiration to shed wranglers everywhere. I look forward to seeing the finished product.
'68 Yamaha DT1 enduro, '69 Yamaha 'DT1 from Hell' '69 DT1'Dunger from Hell, '69 Cheney Yamaha 360, 70 Maico 350 (2 off), '68 Hindall Ducati 250, Hindall RT2MX, Hindall YZ250a , Cycle Factory RT2MX flat tracker, Yamaha 1T250J, Maico 250 trials, '71, Boyd and Stellings TM400, Shell OW72,750 Yamaha

oldfart

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Re: Sp 400
« Reply #29 on: January 08, 2014, 08:09:38 pm »
Thanks guys .... It's only a fill job in when I get bored as explained earlier on. I hope to have it ready for CD 10.