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Thread: STIC jetting thread:

  1. #591

    Default Re: STIC jetting thread:

    Quote Originally Posted by dmills View Post
    Swapped the 300 over to the 250 top end tonite, will be doing some more testing with 250 with the 36 mm carb, if the STIC pulls real hard off the bottom the 250 might te behave enough torque to stay.
    installed 50P, NEDW clip 3 have a NEDG to richen up the bottom if required, main up to 190
    dmills thanks for the information. I have been informed the 500 has been dyno tested with a series of carburetors including the Lectron, Smart Carb, and Mikuni with and without the other kit. Another party supplied him with the earlier STIC Block and it was an improvement. He then ordered a new carburetor with the new STIC tube and that is the one that made him happy and pleased. This is a shootout with other 500's so it will be interesting. That is a great idea to test the stock carburetor against the STIC, thanks.

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  3. #592

    Default Re: STIC jetting thread:

    George, you might want to consider sending the magazines the latest STIC 38 keihin, JD needle along with a ktm 2016 manifold and clamp.

    With the adjustability and extra jets, they could then test on all 125, 150, 250 mx bikes back to back with the mikini setups.

    It appears the main market is people with late model ktm and husky looking to swap out their stock mikuni

  4. #593

    Default Re: STIC jetting thread:

    Quote Originally Posted by Sidecarbod View Post
    Hey George,

    If the magazine has never tested a Millar 500 before then they have no frame of reference, they might think that the bike just goes that well as standard, you should try to get them to run the bike with a standard carb then fit the carb with the STIC block. They effectively could get two articles for their magazine, the first being the testing of a Millar 500 and the second being the testing of your STIC block.
    When I asked Adam to build me a 500 I asked for his case porting which was a more unique modification than regular case porting.
    I'm sure the bike he is shipping for the article will have the case porting too so it will be impossible to compare carb for carb. All I know is the 500 ran great but it still needed a stic to keep the engine rideable at low rpm which is why I eventually got rid of it because it was a pain to keep up with KTM's n the single track. Different storey with a stic on it I'm betting.
    Last edited by 2005 KTM 525sx; 10-09-2019 at 01:01 PM. Reason: spelling
    Ride 4500 - 6500 feet:
    1) 2015 KTM 300 XC-W, 36mm Keihin, '8.0 Slide', STIC 50 pilot, NECK, 190 main 7.5 mm float, SXS head.
    2) 2004 Honda CR500AFC. TWIRP ported.
    3) 2012 Honda CRF 100.
    -2005 525sx Full "DJH" 540cc performance engine/6 speed transmission and 43mm Carb "DJH". sold.
    -2001 CR500AF. Didn't feel right, sold.
    -1984 CR500. Hard to Ride!
    -1982 XR80. Rode it hard!
    -1980 Honda 50. Rode it hard!

  5. #594

    Default Re: STIC jetting thread:

    Quote Originally Posted by 2005 KTM 525sx View Post
    When I asked Adam to build me a 500 I asked for his case porting which was a more unique modification than regular case porting.
    I'm sure the bike he is shipping for the article will have the case porting too so it will be impossible to compare carb for carb. All I know is the 500 ran great but it still needed a stic to keep the engine rideable at low rpm which is why I eventually got rid of it because it was a pain to keep up with KTM's n the single track. Different storey with a stic on it I'm betting.
    Not sure why the porting means that the standard carb cannot be compared to a carb with a STIC block? Surely the bike is available with its 'normal' carb?

  6. #595

    Default Re: STIC jetting thread:

    Quote Originally Posted by Sidecarbod View Post
    Not sure why the porting means that the standard carb cannot be compared to a carb with a STIC block? Surely the bike is available with its 'normal' carb?
    Direct from Adam; they were having problems with the overall performance with the other carburetors; may have been due to porting; not sure; however, he had another person loan him a Keihin with STIC and that prompted him to order new carburetor with 113A and all the trimmings from me. Longer air screw, longer spring and JD Jetting kit (STIC) (Red II-II).That combined with the 200 main jet and 52 pilot-jet is the combination that solved his problems on the low end, mid and top.

  7. #596

    Default Re: STIC jetting thread:

    Quote Originally Posted by Bruce372 View Post
    George, you might want to consider sending the magazines the latest STIC 38 keihin, JD needle along with a ktm 2016 manifold and clamp.

    With the adjustability and extra jets, they could then test on all 125, 150, 250 mx bikes back to back with the mikini setups.

    It appears the main market is people with late model ktm and husky looking to swap out their stock mikuni
    Thanks, Bruce372; will do.

  8. #597

    Default Re: STIC jetting thread:

    Quote Originally Posted by dmills View Post
    Swapped the 300 over to the 250 top end tonite, will be doing some more testing with 250 with the 36 mm carb, if the STIC pulls real hard off the bottom the 250 mite be have enough torque to stay.
    installed 50P, NEDW clip 3 have a NEDG to richen up the bottom if required, main up to 190
    Leaving no stone unturned mate?! Tokyo offroad has his '17 250 showing great bottom power on steep climbs. It would be nice to provide your details of this PB and comparing it to the 300's.
    04/06 200SX +Showa TC fork and STIC
    04 KX125
    04 Scorpa SY250

  9. #598
    KTMTalk Member
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    Surrey Downs
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    Default Re: STIC jetting thread:

    Quote Originally Posted by 200meister View Post
    Leaving no stone unturned mate?! Tokyo offroad has his '17 250 showing great bottom power on steep climbs. It would be nice to provide your details of this PB and comparing it to the 300's.
    Nar not really my 300 had 150 hrs on it rather than pay $300 for new piston kit, i have put back the stock 250 top end that only has 13 hrs on it, now STIC is working well lets see how it goes on the 250 as with most 250's they are good motor but lack that little bit in the low end before the PV opens up

  10. #599

    Default Re: STIC jetting thread:

    Hey George,
    I've been pondering a 39 to 40mm on my 2hun. Any input on this?
    I'd think there's no reason that it would lack low-end or response. Being that there's plenty w/38mm. No reason to leave more peak HP on the table, if no ill affect on the part throttle power.
    I wanted to use the 200's original 39 for a test, but my STIC is for the AS.
    Last edited by 200meister; 10-10-2019 at 02:55 PM.
    04/06 200SX +Showa TC fork and STIC
    04 KX125
    04 Scorpa SY250

  11. #600

    Default Re: STIC jetting thread:

    Quote Originally Posted by 200meister View Post
    Hey George,
    I've been pondering a 39 to 40mm on my 2hun. Any input on this?
    I'd think there's no reason that it would lack low-end or response. Being that there's plenty w/38mm. No reason to leave more peak HP on the table, if no ill effect on the part throttle power.
    I wanted to use the 200's original 39 for a test, but my STIC is for the AS.
    200meister: the stic is Air striker specific for the shorty or the screw top. Give me a call at 715-479-7822; glad to accommodate. You are correct it would not diminish the low-end acceleration; as the stic has an aggressive accelerating feature.

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