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Thread: Aprilia RS250 refresh 300cc lots of new parts

  1. #46
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    300cc cylinders

    [QUOTE=james106gti;4415827]300 cylinders and my original ones
    Attachment 356208[I'm assuming you had a set of 250 cylinders bored out and re-coated]

  2. #47
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    [QUOTE=Bikingbagga;4416511]
    Quote Originally Posted by james106gti View Post
    300 cylinders and my original ones
    Attachment 356208[I'm assuming you had a set of 250 cylinders bored out and re-coated]
    Yes. Thetuningworks.co.uk did the cylinder work

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  3. #48
    apriliaforum Junkie AV80R's Avatar
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    Thanks for all the pics. This is fun to watch.
    CAUTION - My forum posts may be worth what you paid for them!

    2000 RS250 Tetsuya Harada Replica - Street
    1996 RS250 Alex Debon Lotus Replica - Street
    1999 RS250 Cup Challenge - Track
    1999 RS250 basket case currently in pieces! - Street

  4. #49
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    My wheels have come back from the powdercoaters. High gloss black very pleased with these

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  5. #50
    apriliaforum Junkie AV80R's Avatar
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    Still looks wet!
    CAUTION - My forum posts may be worth what you paid for them!

    2000 RS250 Tetsuya Harada Replica - Street
    1996 RS250 Alex Debon Lotus Replica - Street
    1999 RS250 Cup Challenge - Track
    1999 RS250 basket case currently in pieces! - Street

  6. #51
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    Quote Originally Posted by AV80R View Post
    Thanks for all the pics. This is fun to watch.
    Many more pictures to come

    Sent from my F3111 using Tapatalk

  7. #52
    apriliaforum expert mcludd's Avatar
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    Quote Originally Posted by james106gti View Post
    Many more pictures to come

    Sent from my F3111 using Tapatalk
    Cmon then!!!
    wheels are looking great - make sure you spend a bit of time with an M6 tap to cleanup all the shot from the disc mounting holes - I cleaned out all of mine (I thought) but still buggered one up and had to helicoil it

  8. #53
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    Quote Originally Posted by mcludd View Post
    Cmon then!!!
    wheels are looking great - make sure you spend a bit of time with an M6 tap to cleanup all the shot from the disc mounting holes - I cleaned out all of mine (I thought) but still buggered one up and had to helicoil it
    The bloke did it for me or put something in there when he powdered coated it. Every thing I have got powdered coated by him have had clean threads

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  9. #54
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    Removing primarily gear for the straight cut ones. I was going to by thetuningworks cougar clutch. But that is on my list for later on. I have spent enough for the time being.

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  10. #55
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    What's the advantage of straight cut primary gears? Your project is looking great thanks for sharing!
    1985 RZV500
    1988 YSR50
    1990 YSR50
    1990 3MA/YZR500 Replica (project)
    1991 RGV250
    1996 RS250 Chesterfield

  11. #56
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    Quote Originally Posted by rgvmax View Post
    What's the advantage of straight cut primary gears? Your project is looking great thanks for sharing!
    Less side load on the bearings so better for the bearings. Also it's ment to add a little bit more torque. And they have roller bearings instead of a bush

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  12. #57
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    one of the upgraded gears next to a original gear.i replace the original 1ST and 2nd gear 200 miles ago. i'm going to keep it for a spare. you can see it has already started to wear
    Click image for larger version. 

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  13. #58
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    original gears and up graded ones with a taller 1st gear
    Click image for larger version. 

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  14. #59
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    Click image for larger version. 

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  15. #60
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    theses are the parts i replaced in the gear box. i will be keeping theses as spares
    Click image for larger version. 

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