Author Topic: SRX 500  (Read 1486 times)

Lynda

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SRX 500
« on: May 17, 2007, 07:40:37 PM »
Has anyone out there got any info or knowledge on Yamaha SRX 500? Is it possible to interchange engines with other SRX's ?

guest18

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Re: SRX 500
« Reply #1 on: May 17, 2007, 08:07:51 PM »
I've heard of a 400 and a 600 but a 500 is new to me... However there are a couple of real SRX experts on here who I'm sure will be able to answer your questions, good luck! :)

peterj

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Re: SRX 500
« Reply #2 on: May 17, 2007, 08:12:45 PM »
Snowmobile?

themoudie

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Re: SRX 500
« Reply #3 on: May 17, 2007, 10:46:31 PM »
Pass!

SRX 400 (398cc I think) or SRX 600 (598cc or 608cc depending upon market) motorcycles.

More info or an image required for ID by BOF's!!

Ta ra, Bill

Steve H

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Re: SRX 500
« Reply #4 on: May 17, 2007, 11:23:04 PM »
If your talking about the one on Ebay it looks like a 250 to me. I can only think the 500c he refers to is something to do with oil capacity (although I would expect nearer 2.5 litres if it was oil). I'm not aware of any common parts between the two, the clocks on te bike on Ebay look like 400/600 items and if it is a 250 arent original.

peterj

  • Guest
Re: SRX 500
« Reply #5 on: May 18, 2007, 07:43:33 AM »
If it is the ebay one, it certainly looks like a 250 as Steve says. If so,I've been told that the XT250, and the XT/TT350 motors will fit. I always thought that a 350 might make a nice bike.

bikeseamus

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Re: SRX 500
« Reply #6 on: May 19, 2007, 09:10:42 AM »
The motors can be made to fit by sawing off the bottom rear mount, which is cast into the XT and TT engines. I am building a TT 350 powered SRX 250, and will have to design and fabricate a front engine mount, too.
  The swingarm mounting shaft on the XT and TT engines goes through the frame, and makes for a rigid tight mounting while keeping a shorter wheelbase. An SRX 250 engine is not dimensionally identical, although it does share many components.
                        My idea was to drop some weight off the already light SRX 250 by getting rid of the big battery, electric starter and solenoid,giganto airbox, and adding some power, too. I'll drop some weight getting rid of the Starship enterprise wiring harness, too. Muscle and bone two lane scalpel is my idea, and a l;ittle sculpted beauty to boot.
    I have mocked up some ninja 250 mikuni flatslides to the TT 350 engine, and thet do fit rather nicely. The right half of a Kawasaki 650 four exhaust system modified pretty well for better breathing, too. Got rid of the thousand pound (maybe a little less) choking resonator, too. I think my total weight shaving might amount to 20 pounds or more, with about 15 to 18 extra horses. The performance enhancement should be favorable for more fun and laughs.
  White frame, red bodywork is the visual plan so far, and I shot the red last night. Simple white tuning fork logo on the tank, with SRX/TT 350 lettered on the top fairing ought to do it.   I should have it done this Summer, and will post a picture of it then.
                            I was keeping the project a secret, but spoke up here to warn someone who might think it is a simple power swap and upgrade.     It's not, although it is certainly possible.     The SRX 250 is a great handling bike that is light and great fun to ride on tight two lane curvy roads and beats up much bigger bikes due to the fact that you don't have to slow down much and horse it around corners. With the loss of some weight and the addition of some power it should be a phenomenal little giant killer, sort of a little thumper RD with better handling and torque.              More with less, and a unique unit.    That's what I was thinking.   So far so good.

pigafetta

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Re: SRX 500
« Reply #7 on: May 19, 2007, 01:27:10 PM »
If you image google SRX500 you get a lot of bass guitars and this...

http://www.ny.airnet.ne.jp/hcustom/08_used/srx500y.html


mav617

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Re: SRX 500
« Reply #8 on: May 20, 2007, 10:05:50 PM »
pigafetta and bikeseamus -

Firstly, that SRX500 Pigafetta found on google looks the mutt's nuts and bikeseamus your TT/SRX sounds superb and judging from the level of expertise you've demonstrated elsewhere on the forums I guess it will turn out spot on also - all the ebst with it mate, anything that can combine the best of LCs and Thumpers gets my vote everytime (Elsies - ah, takes me back to my yoof)