Author Topic: What would be the best Donk  (Read 13649 times)

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Offline shelpi

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What would be the best Donk
« on: August 26, 2013, 11:55:59 am »
what would be the best donk for a Pre85 MX  sidecar ???  me would like all boxs ticked- Readily available including parts
           reliable
           powerful
           cost effective ( yer Im a cheap ass)
i.e what was the best open class Motocrosser in 1984? Rm, YZ, CR ...............? :P

Offline popeye

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Re: What would be the best Donk
« Reply #1 on: August 26, 2013, 01:04:06 pm »
I'm not sure Shelpi, I've herd that the CR gearbox could be suspect, but I've ridden Nicks VMC quite a bit and it seems fine, at least you can get parts for them and lots of them, the 465 would be ok I imagine the RM, Dave Mattock had an RM sidecar for 20 years and it seemed to be ok....

They all make good power so would depend on set up with pipe carb  fly wheel weights and all that sort of thing.....
IN IT FOR THE FUN OF IT. LIKE MR NIKE SAYS JUST DO IT.

Offline Hoony

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Re: What would be the best Donk
« Reply #2 on: August 26, 2013, 07:40:21 pm »
KTM 500 with a 495 piston gives you a 540cc engine. i rode a later model very grunty engine for an outfit
Long time Honda Fan, but all bike nut in general, Big Bore 2 stroke fan.    http://www.youtube.com/watch?v=XJoKP6MawYI
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Offline Tim754

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Re: What would be the best Donk
« Reply #3 on: August 26, 2013, 11:10:57 pm »
Shelpi see Hoony's answer above ;) or there are my recommended big twin ,big bore Yamaha XS650 remakes , even one with a TX750 kit will get you ( both) from a to b on the track with joyful amounts of pants pooing terror for reasonable cost.  cheers Tim754
« Last Edit: September 09, 2013, 09:24:33 pm by Tim754 »
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Offline shelpi

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Re: What would be the best Donk
« Reply #4 on: August 27, 2013, 10:34:11 am »
I'm not sure Shelpi, I've herd that the CR gearbox could be suspect, but I've ridden Nicks VMC quite a bit and it seems fine, at least you can get parts for them and lots of them, the 465 would be ok I imagine the RM, Dave Mattock had an RM sidecar for 20 years and it seemed to be ok....

They all make good power so would depend on set up with pipe carb  fly wheel weights and all that sort of thing.....
It was chatting with Paul Robertson then Dave Mattock that got me thinking both have said good things plus I am a Suzuki 2smoke sort a guy  :o So anyone got a RM 465, 500 Donk laying around ???

Offline shelpi

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Re: What would be the best Donk
« Reply #5 on: August 27, 2013, 10:38:52 am »
Thanx Tim by the way that front wheel is still doing it all ;) :) :D ;D

KTM sounds good what sort of money are we talking and how tuff are they  ;)

Offline firko

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Re: What would be the best Donk
« Reply #6 on: August 27, 2013, 10:39:06 am »
DONK ;D......reminds me of my dear old dad, that's the term he used for anything with more than 3 moving parts :)
'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

Offline shelpi

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Re: What would be the best Donk
« Reply #7 on: August 27, 2013, 10:47:20 am »
DONK ;D......reminds me of my dear old dad, that's the term he used for anything with more than 3 moving parts :)
AHHH 2 nuts and 1 rod and or shaft  :o woops sorry that was uncalled  for :-X

Offline shelpi

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Re: What would be the best Donk
« Reply #8 on: September 09, 2013, 11:05:18 am »
 :) looking for a RM465 0r 500 donk in any condition  ;)

Offline popeye

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Re: What would be the best Donk
« Reply #9 on: September 09, 2013, 11:49:24 am »
Hey Shelpi, how far is it to the airport from the track at Gillman???
If I come down could someone pick me up and deliver me back airport Sunday night????
IN IT FOR THE FUN OF IT. LIKE MR NIKE SAYS JUST DO IT.

Offline EML

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Re: What would be the best Donk
« Reply #10 on: September 09, 2013, 12:25:39 pm »
I think you can walk to the track Popeye, it's only 10mins from town.

Offline Tim754

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Re: What would be the best Donk
« Reply #11 on: September 09, 2013, 05:09:33 pm »
Shelpi a bit of info about a mistake I nearly made. When looking to build a pre85 lighterweight. ::). I sourced a pretty cheap LT 500 quadzilla engine, believing they came out in 84. Wrong production of those brutal power plants was from 85 till 90. The early RM 500 are kosher.
I may not agree with what you have to say, but I'll defend to the death your right to say it.
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Offline popeye

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Re: What would be the best Donk
« Reply #12 on: September 09, 2013, 06:44:01 pm »
10 mins.     Good for Pre race training ya think???
IN IT FOR THE FUN OF IT. LIKE MR NIKE SAYS JUST DO IT.

Offline EML

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Re: What would be the best Donk
« Reply #13 on: September 09, 2013, 07:28:06 pm »
Yeah mate, just a quick warm up.....'cept those South Aussies would have been out for a 100k bike ride before breaky.

Sure a big 2 smoker is kosher for pre  85 but in the spirit of the sport the big twins were in their twylight then and they deserve to be preserved in that light. If we let an influx of lightweights into that class, all the big old girls will get parked in sheds and forgotten, just as they were back then....mark my words.
Best 'real' engines for the class are the 650+ twins and they come from a big range of makers......I know you like to think outside the square Shelpi, but for the for the good of the class, stick to them. They are fun to ride too.
I had a swing on a CR500 yesterday and found it was very easy to get around on , but by crickey, you had to be on your toes as I only had to imagine a different line and I could get it to change direction...prob set up way too soft for Echo Valley,  so I prefer they older bikes for what we do.
If you want to go big 2 stroke/lightweight, go to a pre90. You'll have lots of cheap fun and step your way into moderns mutch more easily.

Offline Tim754

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Re: What would be the best Donk
« Reply #14 on: September 09, 2013, 09:21:45 pm »
XS 650 cc Precisely what I recommended earlier in this very same thread ;)







« Last Edit: September 10, 2013, 02:46:53 pm by Tim754 »
I may not agree with what you have to say, but I'll defend to the death your right to say it.
                                                   Voltaire.