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  1. #1

    Default CR500 must-have mods??

    Alright, I've recently purchased an '94- CR500R, it's in good condition an runs strong and clean, I have however read people recommending 2 mods as necessary for these machines, the first being a PWK 39mm carb to replace the so-so stock PJ one. the next mod is a CDI off an '94 CR250. anyone done these mods to theire own CR500 that can tell me the benefits?
    whenever I fire up a 2-stroker, the primitive caveman inside me wakes up and goes on a rampage!!
    My Stable O'Bikes
    -94 CR500R - BigBoreBrute...
    -00 XR650R - The Big Red Pig.
    Suzuki TS 50 - Broke piece of crap
    -93 Honda PX-R 50

    Take a look at my bikes : http://s294.photobucket.com/albums/m...tzen/?start=64
    My Youtube Channel : http://www.youtube.com/user/lauritzen2

  2. #2
    Join Date
    Aug 2008
    Location
    ohio
    Posts
    2,695

    Default

    please post some pics of this bike.

    jenny is her name!
    2001 yamaha blaster

    1991 Honda CR 250R
    (under construction)

  3. #3

    Default

    click this link and you can see it and all my other bikes...
    YouTube - Walkaround of all my sweet bikes, XR650R, CR500
    whenever I fire up a 2-stroker, the primitive caveman inside me wakes up and goes on a rampage!!
    My Stable O'Bikes
    -94 CR500R - BigBoreBrute...
    -00 XR650R - The Big Red Pig.
    Suzuki TS 50 - Broke piece of crap
    -93 Honda PX-R 50

    Take a look at my bikes : http://s294.photobucket.com/albums/m...tzen/?start=64
    My Youtube Channel : http://www.youtube.com/user/lauritzen2

  4. #4
    Join Date
    Jan 2008
    Location
    ontairo
    Posts
    840

    Default

    i have an 84 stock and it rippes

    your bike looks good man
    :angry3::blob3:
    JUST RIP IT

  5. #5
    Join Date
    Oct 2007
    Location
    upstate ny
    Posts
    776

    Default

    84-86 were the fast years,they had the short rod wich is now unavailable.i agree with the carb but have not sure of the cdi deal.do some head mods and some porting.stock pipe is the best prforming pipe for cr500s!.eric gorr is a very established cr500 motor specialist.go to cr500riders.com for some good info,tons of good stuff there.
    83 cr480r,97 ktm 300mxc 86,trx 250r
    85 atc250sx
    89 indy 500 with psi 800 triple

  6. #6
    Join Date
    Dec 2006
    Location
    South Fork,Pa
    Posts
    2,813

    Default

    If Im not mistken, I believe service honda uses the 01 cr250 ignition in its remake of the cr500. You might want to check if it is compatible. If it is its probably the best mod you can do to that big 1 lunger




    Never argue with an idiot. They'll just drag you down to their level and beat you with experience

  7. #7

    Default

    Service honda uses the CDI from a newer CR250 but they use different flywheels that's actually heavier than the stock 500 flywheel (atleast that's what I've read) both the cdi and the flywheel supposedly smooths out the power of the big smoker, but I don't want that, I already got a bike that delivers smooth power by the bucketloads and that's my XR650R...

    I've got the FMF Gnarly goldseries mated to a Powercore silencer on the CR, and I must admit I love the mid-range hit it delivers, but I wonder of swapping the carb is worth the $$? porting is out of the question since there is basicly no-one here in norway who knows how to port properly...
    whenever I fire up a 2-stroker, the primitive caveman inside me wakes up and goes on a rampage!!
    My Stable O'Bikes
    -94 CR500R - BigBoreBrute...
    -00 XR650R - The Big Red Pig.
    Suzuki TS 50 - Broke piece of crap
    -93 Honda PX-R 50

    Take a look at my bikes : http://s294.photobucket.com/albums/m...tzen/?start=64
    My Youtube Channel : http://www.youtube.com/user/lauritzen2

  8. #8
    Join Date
    Sep 2006
    Location
    Arrington, TN
    Posts
    887
    Blog Entries
    2

    Default

    The pwk is a much better carb than the pj. IMO its easier to tune and throttle response is much better.
    01 Banshee....020" over, Pro Circuit pipes, DMC 916 silencer, CFM aluminum airbox,
    Uni filters, TDR reeds, lightened flywheel, milled head, +4 timing, Renthal bars,
    250r front shocks, Duro Hook ups on the front, Dunlop KT396's out back,
    400ex thumb throttle, TORS removed, yfz450 front brakes.

  9. #9
    Join Date
    Dec 2006
    Location
    South Fork,Pa
    Posts
    2,813

    Default

    Quote Originally Posted by 2strokeviolence View Post
    Service honda uses the CDI from a newer CR250 but they use different flywheels that's actually heavier than the stock 500 flywheel (atleast that's what I've read) both the cdi and the flywheel supposedly smooths out the power of the big smoker, but I don't want that, I already got a bike that delivers smooth power by the bucketloads and that's my XR650R...

    I've got the FMF Gnarly goldseries mated to a Powercore silencer on the CR, and I must admit I love the mid-range hit it delivers, but I wonder of swapping the carb is worth the $$? porting is out of the question since there is basicly no-one here in norway who knows how to port properly...

    Ok, but does the cr250 stator and flywheel work? If so, it wont be smooth lol. It'll rip your damn arms off lol.




    Never argue with an idiot. They'll just drag you down to their level and beat you with experience

  10. #10
    Join Date
    Oct 2004
    Location
    pennsylvania
    Posts
    14,217

    Default

    lighter flywheel to allow that coffee can piston to actually rev fast ..stronger spark (see Nology profire kit) and a cut head to reduce squish band clearance ,dont even get me started on the conservative portwork lol
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