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Yamaha / Yz490 piston
« on: November 21, 2015, 10:39:59 am »
Does anybody know the difference between the 82/83 piston and 84 onwards?.......part listings on eBay seem to suggest their different.......
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Yamaha / Yz 125/250/490 zed spokes
« on: November 05, 2015, 10:10:36 pm »
Does anybody need some front zed spokes for above before I start chopping a wheel apart.....
Seems a shame to waste these...as horrible as they are..
Seems a shame to waste these...as horrible as they are..
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Wanted / Re: Yz465/490 clutch cover.
« on: February 21, 2015, 08:31:17 am »Here's an 82 cover and some other bits for $39 US:
http://www.ebay.com/itm/82-1982-yz490-yz-490-misc-pegs-left-right-peg-brake-pedal-rod-stay-clutch-cover-/161060782717?pt=Motorcycles_Parts_Accessories&fits=Model%3AYZ490&hash=item257ff8827d&vxp=mtr
Seen that one,appears to have a crappy repair near the oil filler area
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Wanted / Re: Yz465/490 clutch cover.
« on: February 20, 2015, 09:57:13 pm »
Thanx for that Ducati....I'm onto it.
This leads me to another question,... Iv done my best to search ebay for this item and iv never come across this particular item.....iv tried ebay us....ebay UK etc.......why did this not come up in my various searches??
This leads me to another question,... Iv done my best to search ebay for this item and iv never come across this particular item.....iv tried ebay us....ebay UK etc.......why did this not come up in my various searches??
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Wanted / Re: Yz465/490 clutch cover.
« on: February 19, 2015, 08:37:52 pm »
Thanks for the response,....it was actually kicking back coz the flywheel had rubbed through the stator wires and causing intermittent spark.......key was fine.
Somebody must have one of these....3r4 prefix....yz/it. 250/465/490 ....cash waiting.
Somebody must have one of these....3r4 prefix....yz/it. 250/465/490 ....cash waiting.
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Wanted / Yz465/490 clutch cover.
« on: February 19, 2015, 07:11:40 pm »
It kicked back hard and put a large crack in the cover..... 
......I believe that this is a common cover between quite a few models....any help would be appreciated.
......I believe that this is a common cover between quite a few models....any help would be appreciated.
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General Discussion / Road trip north
« on: February 10, 2015, 08:40:37 pm »
4 yrs ago , me mate arno (kraut) and I did a road trip up to Canberra for a heaven meeting,we had a realy great weekend, meeting new people,seeing how it's done on the Northside etc.
Just not to impressed with the track....but fun anyway( please don't take that personally nsw peeps)
Time for another.
So just a little ask for advise,....just a toe in the water.....what events do you have up there ,bearing in mind we love natural terrain, fast flowing types ...what would be worth while doing a road trip?
We are in melbourne and would like some other viper /vcm members to come with us.....who's up for it?
Just not to impressed with the track....but fun anyway( please don't take that personally nsw peeps)
Time for another.
So just a little ask for advise,....just a toe in the water.....what events do you have up there ,bearing in mind we love natural terrain, fast flowing types ...what would be worth while doing a road trip?
We are in melbourne and would like some other viper /vcm members to come with us.....who's up for it?
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General Discussion / Re: pre95
« on: November 21, 2014, 07:06:53 pm »
Cool stuff Nathan,I'd forgotten what happened in the 90's.
I'd sort of written it all off after disc brakes,p.valves,linkage sus etc.
Some of the stuff youv listed were important steps with the 2strokes that seem to be forgotten.
As you being a "young buck" you would know more about the progress during that period,lets hear more about that era.
I'd sort of written it all off after disc brakes,p.valves,linkage sus etc.
Some of the stuff youv listed were important steps with the 2strokes that seem to be forgotten.
As you being a "young buck" you would know more about the progress during that period,lets hear more about that era.
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Yamaha / Re: Yz465 h...why is my clutch slipping
« on: October 30, 2014, 06:04:15 pm »
HERE IS THE ANSWER........
The clutch pack in this bike is very generic between models 250/465 from 77-81...I knew that...and wrongly assumed every part was the same.....ohhhhh nooo......after a lot of head scratching i read the fine print in the parts list.......the springs are different between 250 and big bore.....it seems i had some 250 springs in it ( which measure up the same as 465)....some decent springs and all good.
The clutch pack in this bike is very generic between models 250/465 from 77-81...I knew that...and wrongly assumed every part was the same.....ohhhhh nooo......after a lot of head scratching i read the fine print in the parts list.......the springs are different between 250 and big bore.....it seems i had some 250 springs in it ( which measure up the same as 465)....some decent springs and all good.
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Yamaha / Re: Yz465 h...why is my clutch slipping
« on: October 25, 2014, 09:25:54 am »
Basket is very good condition.....pressure plate does have a bit of a wear lip on it hence the extra steel plate did not sit well against it....
Cable,operating lever,and push rod assy all seem good also......all a complete mystery.
However it seems to be ok now with the extra plate.....several clutch abusing starts up and down the street proved that.....neighbours just love me lol
Cable,operating lever,and push rod assy all seem good also......all a complete mystery.
However it seems to be ok now with the extra plate.....several clutch abusing starts up and down the street proved that.....neighbours just love me lol
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Yamaha / Re: Yz465 h...why is my clutch slipping
« on: October 24, 2014, 03:25:26 pm »
Ok!...seemed to have sorted this...fitted extra steel plate in the middle of the pack.....
After looking closely the extra plate would not have worked at either end of the clutch pack, the pressure plate had a little wear on it and did not sit well with the steel plate.....same at the rear end of the pack.
Still doesnt explain why it slips when set up standard
?
After looking closely the extra plate would not have worked at either end of the clutch pack, the pressure plate had a little wear on it and did not sit well with the steel plate.....same at the rear end of the pack.
Still doesnt explain why it slips when set up standard
?
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Yamaha / Re: Yz465 h...why is my clutch slipping
« on: October 24, 2014, 08:24:31 am »
Have tried extra steel plate (in different positions).....still no good.
All the steels are like new.......
All the fibres are old.....but as i said measure up ok...all very odd
All the steels are like new.......
All the fibres are old.....but as i said measure up ok...all very odd
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Yamaha / Re: Yz465 h...why is my clutch slipping
« on: October 23, 2014, 09:59:54 pm »
And the springs are well within tolerance......
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Yamaha / Yz465 h...why is my clutch slipping
« on: October 23, 2014, 09:57:08 pm »
All fibre plates measure up good so do steel ones,adjustment is good all the way back to lever,have tried numerous different fibre plates (none new) tried various oils.....any ideas?
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General Discussion / Re: Inaugural 2014 Pre 2000 Show & Go.
« on: September 22, 2014, 07:16:02 pm »
Realy well done Shane!....the track was as ever superb ......the dust was realy not the best but more than tolerable.
I feel I do have to apologise for the spray i gave the track watering guys (think they needed a little supervision where they put the water) I'm sure they meant well.
Look forward to the next ASAP.
Pom
I feel I do have to apologise for the spray i gave the track watering guys (think they needed a little supervision where they put the water) I'm sure they meant well.
Look forward to the next ASAP.
Pom