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Thread: Parts compatibility: Can-Am Rotax 449 to Aprilia V990

  1. #1
    apriliaforum expert Gabro's Avatar
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    Parts compatibility: Can-Am Rotax 449 to Aprilia V990

    Rotax 499:
    Engine Type 449

    4-stroke
    1 cylinder
    4 valves / DOHC
    37 kW / 50 HP
    449 ccm
    Liquid cooled
    Dry sump lubrication
    5-speed gearbox
    EFI (electronic fuel injection)



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  2. #2
    apriliaforum expert Gabro's Avatar
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    internals does'nt look way different:
    http://cgi.ebay.com/ebaymotors/Can-A...item2303fffe78

    http://cgi.ebay.com/ebaymotors/Can-A...item255768bc00

    that motor could be easily tuned using our V990 parts and methods
    do the ATV guys knows about us?!!?
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  3. #3
    apriliaforum expert Gabro's Avatar
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    some can-am aftermarket could be used on our bikes too:
    http://cgi.ebay.com/ebaymotors/CANAM...Q5fAccessories
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  4. #4
    apriliaforum Member GAUCHO's Avatar
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    You'll find a better match with the CanAm Spyder engine. It's basically a Falco engine with a 5 speed and reverse tranny.
    Gaucho

  5. #5
    apriliaforum expert Gabro's Avatar
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  6. #6
    Honest always, feared often Micah / AF1 Racing's Avatar
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    I have taken numerous calls from ATV racer's looking for go fast information and parts, the last one wanted 33mm exhaust valves. They all claim to be making 60-70 bhp, which we all know is false but, apparently a lot of parts interchange!
    Diminished expectations is the key to happiness in life.

    Micah Shoemaker
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  7. #7
    apriliaforum expert Gabro's Avatar
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    i've one ported front head, sigle plug, to sell maybe those ATV guys will buy it!
    (and maybe I can sell the manymany 10.60mm lift camshaft from '00 RSV and Falco that i will never re-use and now are taking rust and dust on my shelf )

    i'm intrested to those titanium valve springs and retainers

    ROTAX V990 WILL NEVER DIEEEE!!
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  8. #8
    apriliaforum expert Tdawg's Avatar
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    450 motor with half a 1060 kit and 57TB in a RS250/125 or RS4 chassis? or even in the ATV

  9. #9
    Honest always, feared often Micah / AF1 Racing's Avatar
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    Now that is an interesting idea, easy enough to do too...hmmm....
    Diminished expectations is the key to happiness in life.

    Micah Shoemaker
    AF1 Racing
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  10. #10
    apriliaforum expert Gabro's Avatar
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    someone already did a supermono bike using the 499 motor :

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  11. #11
    apriliaforum Junkie coggers's Avatar
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    i was enjoying that clip until the crash! didnt expect it at all.shame it had to retire so early as it looked like it was gonna be an ass kicker
    PURPLE MONKEY DISHWASHER

  12. #12
    apriliaforum expert Tdawg's Avatar
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    Quote Originally Posted by coggers View Post
    i was enjoying that clip until the crash!
    +1 that was a pretty awesome setup and tank. tragic

  13. #13
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    Piston is not compatible. Need a longer conrod to be used in the V990.
    And cams have lower lift and less duration.

    With high-comp piston, V990 cams and 57mm butterfly, the 449 could be really powerfull.
    Rotax sub-contracted developement for pneumatic valves for production ATV. It was based on late heads (with oval exhaust exit). I saw a head on the test bench, very nice building. Rotax build a series of 1000 or 2000 heads. But the project was stopped when the sub-contractor stopped its activities due to financial crisis. A mate who was working on this project said the motor was very powerfull, about 70hp. He was planning to use this stuff on his own V990.But as everyone was fired, his project also stopped. I don't know what Rotax made with all this project.

    Angelo

  14. #14
    apriliaforum expert Gabro's Avatar
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    Quote Originally Posted by GAUCHO View Post
    You'll find a better match with the CanAm Spyder engine. It's basically a Falco engine with a 5 speed and reverse tranny.
    Gaucho
    no, looks like a single-plug head motor (oval exhust flange):

    http://www.rotax.com/en/Engine/2004/...ine.Models.htm

    Last edited by Gabro; 01-16-2011 at 06:25 AM.
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  15. #15
    apriliaforum expert QuickHX's Avatar
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    theres the OTHER BRP-Rotax engines that are..

    interesting. this one likely won't work for a motorcycle, but there are some cool 2-cylinder 2-strokes up there as well


    http://www.rotax.com/en/Engine/2004/...ine.Models.htm




    Engine Type 1503 HO

    • 4-stroke
    • 3 cylinder
    • 12 valves
    • 188 kW / 255 HP
    • 1493.8 ccm
    • External intercooler
    • 2 water cooling circuits (one closed water cooling circuit)
    • Dry sump lubrication
    • 2 oil pumps with replaceable paper oil filter
    • Mechanically driven supercharger

    2-stroke
    http://www.rotax.com/en/Engine/2004/...ine.Models.htm


    Engine Type 797

    • 2-stroke
    • 2 cylinder
    • 108 kW / 147 HP
    • 799.5 ccm
    • Liquid cooled
    • Reed valve controlled
    --------------
    Throttle body settings: "It's more a philosophy than pure numbers." -Gabro

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