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Thread: New here, bought a CX650turbo

  1. #131
    OCR
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    Senior Member OCR's Avatar
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    A reed valve in the intake is there to improve scavenging and reduce blow back which helps to improve performance.
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  2. #132
    Senior Member Pim205GTI's Avatar
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    Quote Originally Posted by OCR View Post
    A reed valve in the intake is there to improve scavenging and reduce blow back which helps to improve performance.
    On a most engines it is , only not on the Honda Turbo's

    From the CFI manual :

    "When engine compression is used as a braking device at high rpm, the incoming air flow is reversed. The reed valve prevents the sudden reversed air flow making excessive noise by blocking the air flow, causing it to go into a silencer"

    The silencer is not the exhaust but a small labyrinth next to the reed valve
    OCR and elrodicater like this.
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  3. #133
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    Quote Originally Posted by Sgt.Pinback View Post
    I assume they only sell to dealers. Unfortunaltelly, they only have dealers in Netherland in their listing.

    Do yopu have a pic of that K&N filter on your bike?

    What exactly does the reed valve? Not sure, if you can just put it out, I assume that will leed to pulsating air?
    You can find i filter pic here:

    CX650 Turbo K&N air filter mod parts for sale.

    Did buy mine here:
    https://www.xlmoto.dk/luftfilter-kn-universal-rund#?p

    Its D:89H152 (ID44,L16)
    It fits directly on the reed valve hose.
    You can reed more about the subject on the tmioa site, for example here:
    Search Results
    As mentioned I very recently removed my airbox and not sure yet if will keep it so. Maybe will reinstall the reed valve and make a costum adapter to the R-1050 filter.
    Have had little backfire when start the engine! And some strange noise at full trottle (not sure if maybe its from the wastegate). But it seems as have a little more power overall!
    Just checked my filter box, and mine also have greasy dirt from the foam filter material in the small "room" just before the reed valve :/

    Some users write that the stock filter not fits 100% and needs to be raised about 5mm at the narrow end!
    If you want to take out the airbox you remove the fairing as described in the shop manual - protect your forks with tape etc, and tape the lower "corners" on the fairing! You also need to loosen the upper bolts and remove the lower on the "upper frame" holding the the headligth and mirrors etc.
    Havent inspected my turbo inlet, so dont know how much more you need for this!

    Cheers, ThorkildName:  CameraZOOM-20170519192912834.jpg
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    Last edited by t.thomsen; 05-19-2017 at 11:33 AM.

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  5. #134
    Senior Member Sgt.Pinback's Avatar
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    Quote Originally Posted by Pim205GTI View Post
    On a most engines it is c, only not on the Honda Turbo's

    From the CFI manual :

    "When engine compression is used as a braking device at high rpm, the incoming air flow is reversed. The reed valve prevents the sudden reversed air flow making excessive noise by blocking the air flow, causing it to go into a silencer"

    The silencer is not the exhaust but a small labyrinth next to the reed valve
    Great info!
    That would explain the noise in T.T.' s bike
    Last edited by Sgt.Pinback; 05-19-2017 at 12:22 PM.
    Cheers, Ulrich

  6. #135
    Senior Member Sgt.Pinback's Avatar
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    Thanks for info, Thorkild!
    Cheers, Ulrich

  7. #136
    Senior Member Sgt.Pinback's Avatar
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    Painted the oil filter case with silver engine paint. Front wheel mounted, waiting for brake pads and brake holder.

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    dutchturbo, edinlr, OCR and 1 others like this.
    Cheers, Ulrich

  8. #137
    Senior Member edinlr's Avatar
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    Quote Originally Posted by Sgt.Pinback View Post
    Great info!
    That would explain the noise in T.T.' s bike
    Turbo Tim uses blow off valves on most of his bikes, that is the pffft sound you hear when he lets off the throttle.
    CX500C
    CX500T
    CX650E
    CX650T
    Hawk
    CB750 w/turbo
    RG500
    V-Max
    Kawasaki 750 Turbo
    Katana 1000
    Ducati 749R
    Screaming Eagle Road King
    CBR600F3
    Honda Metropolitan
    Ninja H2 1000
    & a dozen battery chargers

  9. #138
    Senior Member edinlr's Avatar
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    Ulrich, you guys are making me seriously mad with your efforts to clean up these old bikes. I am just trying to make mine run fast, but I feel like I have to paint everything when I have it apart thanks to you and Elrod.
    CX500C
    CX500T
    CX650E
    CX650T
    Hawk
    CB750 w/turbo
    RG500
    V-Max
    Kawasaki 750 Turbo
    Katana 1000
    Ducati 749R
    Screaming Eagle Road King
    CBR600F3
    Honda Metropolitan
    Ninja H2 1000
    & a dozen battery chargers

  10. #139
    Senior Member Sgt.Pinback's Avatar
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    Cleaning is almost finished. Took her out of the garage and started her.

    Engine is running on left cyclinder only. But has spark on right side as well.

    Were do I start to get right side running as well?

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    Cheers, Ulrich

  11. #140
    Senior Member dutchturbo's Avatar
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    Check your CPU if there are lights blinking. I think the right injector is clogged. When you have ignition on and engine out give some throttle and listen at the right injector. If you heare a click the injectors are working but can still clogged.
    Sgt.Pinback likes this.
    83 CX650T 2x

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