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Author Topic: RM 125/250 CONICAL FRONT HUB  (Read 4511 times)

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Offline rocketfrog

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RM 125/250 CONICAL FRONT HUB
« on: July 09, 2014, 07:06:06 am »
Does anyone know if late 70's RM125 or 250 had a conical front hub? I thought the Suzukis all had full width hubs but would be keen to know which models if any had conical style front hubs.

Cheers Jason
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Offline William Doe

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Re: RM 125/250 CONICAL FRONT HUB
« Reply #1 on: July 09, 2014, 07:20:34 am »
77/78 125s 78 250/400s
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Offline rocketfrog

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Re: RM 125/250 CONICAL FRONT HUB
« Reply #2 on: July 09, 2014, 08:50:18 am »
Ahh, muchos gracious.
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Offline OverTheHill

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Re: RM 125/250 CONICAL FRONT HUB
« Reply #3 on: July 09, 2014, 08:53:31 am »
got one on  trademe nz auction 751855727 light as a feather [think magnesium], can't find it now but had a titanium brake cam, think just an ally arm though [might've sold it]. never had the brake plate as such or if i did it's with another wheel the same in  my xr200/pe frame [thingy]. Wheel has brake drum liner countersunk screwed into he hub. found a similar wheel pic of a production rm wheel and the external ribs on brake hub part are further apart [or closer sorry without looking--different anyway] so this one is 'trick' me thinks--hence the price lol. sorry typing one finger while having a cuppa, cheers. ps, had this [with a dt1/rt2 brake plate in my rt2--terrible i know.
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Offline rocketfrog

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Re: RM 125/250 CONICAL FRONT HUB
« Reply #4 on: July 09, 2014, 09:10:17 am »
Why I ask is that I found a set of spokes for a conical hub in a bag labelled Suzuki RM and I thought that it may have been a mistake, perhaps PEs of the same era use the same hub? Anyway , on closer inspection I found the part number label which looks to be 55300-41830.

This marries up with William's info as per the first reply, looks as though I have a set of spokes to fit RM125B, RM125C and RM250C.
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Offline William Doe

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Re: RM 125/250 CONICAL FRONT HUB
« Reply #5 on: July 09, 2014, 09:29:45 am »
I think the 250 / 400 ones are different as the hub was bigger  :-\ Rocket frog do you want to part with them ?
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Offline rocketfrog

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Re: RM 125/250 CONICAL FRONT HUB
« Reply #6 on: July 09, 2014, 09:42:05 am »
I literally cant wait to part with them! Especially if you have 1980 RM100/125 parts to swap.

I am looking for a good seat (cover not so important as base and foam) and a RM125T Clutch basket/primary gear assy or even just a good primary gear assy that I can rivet a RM100 basket to.

If you dont have parts to swap then I'll take a pineapple, I think thats what I forked out for them.
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Offline William Doe

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Re: RM 125/250 CONICAL FRONT HUB
« Reply #7 on: July 09, 2014, 09:45:31 am »
Think I can help with parts will check and report back  :)
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Offline huskibul

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Re: RM 125/250 CONICAL FRONT HUB
« Reply #8 on: July 09, 2014, 10:17:59 am »
    Er 185 front hub look the same or very similar too b/c - doc or someone would know :)
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Offline William Doe

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Re: RM 125/250 CONICAL FRONT HUB
« Reply #9 on: July 09, 2014, 10:27:09 am »
ER 125/185 some later TS 125s and TF 125 are same sive but the RM spokes are shouldered at the hub end .
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Offline rocketfrog

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Re: RM 125/250 CONICAL FRONT HUB
« Reply #10 on: July 09, 2014, 10:37:42 am »
Yes these are shouldered or swaged I believe is the term used.
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Offline Tim754

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Re: RM 125/250 CONICAL FRONT HUB
« Reply #11 on: July 09, 2014, 07:03:08 pm »
 RM125B
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Offline LWC82PE

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Re: RM 125/250 CONICAL FRONT HUB
« Reply #12 on: July 09, 2014, 07:21:20 pm »
Part # = 55300-41830
Part Description = SPOKE SET,FRONT
Model Count = 2
RM125B 1977 123 RM125 OFF ROAD
RM250C 1978 246 RM250 OFF ROAD
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Wanted - 1978 TS185 frame or frame&motor. Frame # TS1852-24007 up to TS1852-39022

Offline crs-and-rms

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Re: RM 125/250 CONICAL FRONT HUB
« Reply #13 on: July 09, 2014, 08:37:58 pm »
id buy the spokes if willam doe dosnt want them
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Offline ola_martin

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Re: RM 125/250 CONICAL FRONT HUB
« Reply #14 on: July 10, 2014, 07:27:07 am »
If they're light it must be something special, original hubs are quite heavy...
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