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Messages - James P

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1
Yamaha / Re: YZ, IT, TT rear axle dimensions
« on: April 27, 2018, 06:54:50 PM »
I think I've sorted myself out for axles. Although Ebay offered several options, all of them were rather too pricey to take a chance...and possibly discover they were too long or too short. Although many of the axles themselves were reasonably priced, none were listed in Australia, meaning that postage (from USA) would often cost more than the axle >:( .
I wondered whether it may be worth the 140km-or-so round trip to visit the ever accommodating Mark Collins at The Motorcycle Wreckers, North Richmond. Luckily it was :) !

Mark has two large plastic tubs full of axles - they took a while to search through, but I came up trumps. I found about half-a-dozen hollow rear axles with dimensions which looked like they would work. After narrowing down the field, I came away with three rear axles (one of them NOS) and three front axles, all for about the same price as the cheapest secondhand rear axle I could find on Ebay...and that's before adding the postage cost!

I'm not sure exactly what the NOS axle is, as the part number tag was missing. I think it is one of the RM250 ones (64711-14610 or 64711-00B00); 17mm diameter, 270mm long (not including head), about 30mm thread length and weighing about 350g. The zinc-plated finish is almost as-new, so I can use it as it is.

Thanks to those who have kindly assisted in my research so far 8) .

Regards,
James

2
Kawasaki / Re: 1983 kx500 kickstart idler gear
« on: April 27, 2018, 05:13:28 PM »
Looks like I’m too late as the seller has ended the auction, however I have been lucky enough to buy a complete second hand 1985 shaft assembly and the idler gear that appear to be in excellent condition so that should get me going.
No worries Paul - glad you got some parts to sort it out. I wonder if someone else (in the same boat as you perhaps) saw the Ebay listing and bought that NOS idle gear ??? !

Regards,
James

3
Yamaha / Re: YZ, IT, TT rear axle dimensions
« on: April 22, 2018, 06:16:56 PM »
James I sent you a pm on RM axle sizes etc

Thanks to info from Mick, I have narrowed down the search a little more. I now know that at least one of the RM axles (64711-14610 or 64711-00B00) will suit my application.

Regards,
James

4
Kawasaki / Re: 1983 kx500 kickstart idler gear
« on: April 15, 2018, 10:38:24 PM »
Is this part any good to you? https://www.ebay.com.au/itm/Spur-Gear-Idle-KX500-A1-59051-1043-GENUINE-Kawasaki-NOS/282909883385?hash=item41debe3bf9:g:mHoAAOSwHqdawuk4

I can't discern how many teeth it has, but the description only mentions 1983 KX500. This could be because someone has (possibly incorrectly) written "83 KX5" on the packet :-\ . Although a quick search revealed that the correct part number is 59051-1107, I did find a suggestion that 59051-1043 was also suitable.

Regards,
James

5
Yamaha / Re: YZ, IT, TT rear axle dimensions
« on: April 15, 2018, 09:46:34 PM »
I have discovered based on information supplied (and followed up with further research) that 1974-78 YZ250s (also 1976-78 YZ400s) used the 431-25381-00 rear axle, which has been confirmed as hollow all the way through. It is 253mm long (not including head), of which the thread is 20mm length. It weighs 380g. It has been suggested that the 2K8 axle is slightly longer for use with an aluminium swing arm.

Although the 431 axle may suit my requirements, it may also not be quite long enough. Just about everything on Ebay (i.e. all the 431/1W6/2K8 Yamaha axles) is located in USA and the prices for axle & postage are not cheap enough to take a chance. I haven't yet confirmed whether any of the 1984-86 RM250 axles are completely hollow and I still don't know their pertinent dimensions (other than 17mm diameter). Prices of RM axles are also not low enough to take a chance!

The research continues... :-\

Regards,
James

6
Yamaha / Re: YZ, IT, TT rear axle dimensions
« on: April 12, 2018, 10:46:31 AM »
Thanks for the info so far. I have briefly investigated 17mm axles from Full Floater RM models and found the following:

64711-14600 - 1984 RM250/500E
64711-14610 - 1985 RM250F
64711-00B00 - 1986 RM250G

As far as I can tell, earlier Full Floater models used 15mm axles, while later ones used 20mm axles.

My research has suggested that the 1984-86 RM250s had hollow axles, but I'm not 100% sure.

Mick; Can you confirm any of the above relating to RM axles?
Is there any consensus on whether the specified YZ, IT and/or TT axles are completely hollow?

Regards,
James

7
Yamaha / YZ, IT, TT rear axle dimensions
« on: April 09, 2018, 09:22:28 PM »
I'm trying to find out whether one of these rear axles will be of any use to me:

1W6-25381-00 - 1977-1980 IT250/400/425
2K8-25381-00 - 1978-1979 YZ250/400, 1979-1981 TT500

As far as I can tell, the two are practically identical, but the 1W6 axle has the pressed-in L-shaped "tag" so you only need one spanner to tighten or loosen the axle nut. If anyone has either of these types handy:

Is the shaft 17mm diameter?
What is the length of the shaft, including the thread (but not including the head)?
What is the length of the thread only?
What does the axle weigh?
Is the axle hollow?

If the dimensions suit my purpose, I'd be interested in buying one of these, so please let me know whether you have one available for sale!

Thanks & regards,
James

8
Suzuki / Re: HEEELLLLPPPP TS250X 1984 jet 6fjv54
« on: April 04, 2018, 06:57:40 PM »
See my reply in the Wanted section.

Regards,
James

9
Wanted / Re: TS250X Jet Needle 6fjv54
« on: April 04, 2018, 06:56:15 PM »
Tim,

I doubt you would be able to get one of these at a generic Mikuni parts seller - they are likely only obtainable as a genuine Suzuki part (although discontinued by Suzuki now).

Luckily I have one which I'm not using - let me have your address by PM and I'll post it to you.

Regards,
James

10
Wanted / Suzuki DR/SP 400/500 rear hub
« on: March 30, 2018, 12:08:34 AM »
Anyone got one of these spare? I really only need the hub shell (64110-37200), but will buy the whole assembly if you don't want to split...and the price is reasonable :) .

The same hub was used on 1980 DR400, 1981-83 DR500, 1981-83 SP500 and 1980-81 RS250, although none of the RS models came to Australia as far as I know. The DR400 and RS250 used a different sprocket carrier to the 500s, but that doesn't matter much to me if I am buying the assembly.

Please let me know what you've got!

Thanks & regards,
James

11
I think the header diameter on the 370/400 will be too large to fit the 250 manifold.

Yes, you're right of course. I'd forgotten that the RM370 used a different exhaust stub manifold on the cylinder.

Regards,
James

12
PM sent guys

Thanks - replied.


yes they fit I have A RM250B and a PE250B,C the only difference is the baffle in the chamber of the PE and spring location for the muffler

Excellent - thanks for confirming what I thought I knew :) . Should it follow that pipes for all 77-79 PE250, 76-78.5 RM250 and 76-78 RM370/400 are physically interchangeable...?
If they fit, I'd be interested to hear from anyone who has tried an RM370 or 400 pipe on a PE250 (or even vice-versa for interest) - is there much/any obvious difference in the shape, length or volume (internal space, not loudness ;D )? Any observations on performance?


Thanks & regards,
James

13
Suzuki / Re: 1978-onwards RM/PE250 lower fork yokes
« on: March 20, 2018, 05:08:09 PM »
...heating is required or you risk bending. Ditto when replacing.

Hmm...food for thought indeed. I was tentatively intending to use some heat anyway - I will now make sure that I do. Thanks for the benefit of your experience Momus! 8)

Regards,
James

14
Out of interest, how much do you want for the PE pipe?

Thanks

Brent

Doh! I was going to ask that - you beat me to it Brent! :-[

S27 - Thanks very much for the info...and can I please have second dibs on your now-almost-NOS PE250C pipe?? :D

Regards,
James

15
Suzuki / Re: 1978-onwards RM/PE250 lower fork yokes
« on: March 19, 2018, 05:21:50 PM »
Yes they are just a press fit. They can be removed. Don't loose the fine wire c-clip on the bottom of the stem. You will see it after you press it out.

Excellent - thanks for the info Leith. I knew I could rely on you :) .

I presume there should be no problem reassembling the parts again...? Hopefully everything will be apparent once I get the steering column out.

Regards,
James

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