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Thread: Tri-Z Troubles

  1. 04-24-2008, 01:00 AM #1
    TJ BIG DAWG's Avatar
    TJ BIG DAWG
    TJ BIG DAWG is offline First Time Rider Arm chair racerNew to the board
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    Tri-Z Troubles

    I swear this bike will be my undoing... I just cant figure this things problem out, it runs great going up through the gears but when I let off the throttle and then get back on it, it boggs and then slowly kicks back in. I have thouroughly cleaned, jetted and rejetted the carb, and tried several different spark plugs(brands and heat ranges) and I just cant get it to run right, Im almost ready to sell it!

    Current bikes:
    85 1/2 Tri-Z (black/red)
    84 T3 restored
    84 T3 unrestored for gettin'
    84 T3 money pit
    86 350X 13.5:1 full race
    84 250R beater
    96 blaster CT sonic 240 kit 38mm airstryker carb 42HP!!
    Past bikes:
    85 TRI-Z
    84 200X
    87 200X
    86 350X
    82 250R
    84 250R beater
    84 TRI-MOTO 125
    83 ATC 110
    70 US 90
    87BW 200( I know its not a trike but...)
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  2. 04-24-2008, 01:04 AM #2
    MTS's Avatar
    MTS
    MTS is offline Power User The day begins with 3WW
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    how long are ya lettin out of the throttle...?, you test your needle+Seat?..
    1985 Tri-Z-

    Quote Originally Posted by mywifeknowseverything
    Just hit the Freakin Gas and Hold on!!!!!
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  3. 04-24-2008, 01:07 AM #3
    3Razors's Avatar
    3Razors
    3Razors is offline Power User Roostin Away
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    Is this bike completely stock or what mods does it have? Is the fuel pump working 100%?
    4 Strokes are NOT the wave of the future!
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  4. 04-24-2008, 12:22 PM #4
    Tri-Z 250's Avatar
    Tri-Z 250
    Tri-Z 250 is offline Power User Got the holeshot
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    Quote Originally Posted by 3Razors View Post
    Is this bike completely stock or what mods does it have? Is the fuel pump working 100%?
    GOOD Call, also check the floats to be correct. I'd say the pump could use some new guts, if the carb is correct.
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  5. 04-25-2008, 12:10 AM #5
    pickleweasel_00's Avatar
    pickleweasel_00
    pickleweasel_00 is offline Just Too Addicted Arm chair racerJust too addicted
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    not to hijack, but where can you get re-build kits for the pump?
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  6. 04-25-2008, 12:33 AM #6
    TJ BIG DAWG's Avatar
    TJ BIG DAWG
    TJ BIG DAWG is offline First Time Rider Arm chair racerNew to the board
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    Quote Originally Posted by My trike Sucks View Post
    how long are ya lettin out of the throttle...?, you test your needle+Seat?..
    it does it if I let off the throttle for more than 1 second... needle and seat are working properly... any other ideas????????????

    Current bikes:
    85 1/2 Tri-Z (black/red)
    84 T3 restored
    84 T3 unrestored for gettin'
    84 T3 money pit
    86 350X 13.5:1 full race
    84 250R beater
    96 blaster CT sonic 240 kit 38mm airstryker carb 42HP!!
    Past bikes:
    85 TRI-Z
    84 200X
    87 200X
    86 350X
    82 250R
    84 250R beater
    84 TRI-MOTO 125
    83 ATC 110
    70 US 90
    87BW 200( I know its not a trike but...)
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  7. 04-25-2008, 12:35 AM #7
    TJ BIG DAWG's Avatar
    TJ BIG DAWG
    TJ BIG DAWG is offline First Time Rider Arm chair racerNew to the board
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    Quote Originally Posted by 3Razors View Post
    Is this bike completely stock or what mods does it have? Is the fuel pump working 100%?
    bike is stock as a rock except for a brand new fuel pump....

    Current bikes:
    85 1/2 Tri-Z (black/red)
    84 T3 restored
    84 T3 unrestored for gettin'
    84 T3 money pit
    86 350X 13.5:1 full race
    84 250R beater
    96 blaster CT sonic 240 kit 38mm airstryker carb 42HP!!
    Past bikes:
    85 TRI-Z
    84 200X
    87 200X
    86 350X
    82 250R
    84 250R beater
    84 TRI-MOTO 125
    83 ATC 110
    70 US 90
    87BW 200( I know its not a trike but...)
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  8. 04-25-2008, 12:37 AM #8
    TJ BIG DAWG's Avatar
    TJ BIG DAWG
    TJ BIG DAWG is offline First Time Rider Arm chair racerNew to the board
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    Quote Originally Posted by Tri-Z 250 View Post
    GOOD Call, also check the floats to be correct. I'd say the pump could use some new guts, if the carb is correct.
    not sure what you mean by " floats are correct ". I did replace them.........

    Current bikes:
    85 1/2 Tri-Z (black/red)
    84 T3 restored
    84 T3 unrestored for gettin'
    84 T3 money pit
    86 350X 13.5:1 full race
    84 250R beater
    96 blaster CT sonic 240 kit 38mm airstryker carb 42HP!!
    Past bikes:
    85 TRI-Z
    84 200X
    87 200X
    86 350X
    82 250R
    84 250R beater
    84 TRI-MOTO 125
    83 ATC 110
    70 US 90
    87BW 200( I know its not a trike but...)
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  9. 04-25-2008, 08:41 AM #9
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    overdressed1
    overdressed1 is offline New to the board Arm chair racerNew to the board
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    Quote Originally Posted by pickleweasel_00 View Post
    not to hijack, but where can you get re-build kits for the pump?
    I got my fuel pump kit from XCBOBS PARTS & ACCESSORIES INC on EBAY.
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    1985 Yamaha YTZ 250 Tri Z
    another 1985 Yamaha YTZ 250 Tri Z
    1985 Honda ATC 200 ES Super Red
    1975 Bultaco Pursang 250 ( Hey I know it's only got two wheels)


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  10. 04-25-2008, 10:56 AM #10
    Tri-Z 250's Avatar
    Tri-Z 250
    Tri-Z 250 is offline Power User Got the holeshot
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    It sound like everything is new... . I believe with new springs on the floats you'd be fine. What are the chances you have the fuel lines switched. Could you be in the Reserve instead of the full flow? It doesn't sound like air leak at all but I'm sure you've triple checked at this point.
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  11. 04-27-2008, 12:15 AM #11
    TJ BIG DAWG's Avatar
    TJ BIG DAWG
    TJ BIG DAWG is offline First Time Rider Arm chair racerNew to the board
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    Quote Originally Posted by Tri-Z 250 View Post
    It sound like everything is new... . I believe with new springs on the floats you'd be fine. What are the chances you have the fuel lines switched. Could you be in the Reserve instead of the full flow? It doesn't sound like air leak at all but I'm sure you've triple checked at this point.
    springs on the floats??? never seen any springs on any of the floats in any of my carbs??????????

    Current bikes:
    85 1/2 Tri-Z (black/red)
    84 T3 restored
    84 T3 unrestored for gettin'
    84 T3 money pit
    86 350X 13.5:1 full race
    84 250R beater
    96 blaster CT sonic 240 kit 38mm airstryker carb 42HP!!
    Past bikes:
    85 TRI-Z
    84 200X
    87 200X
    86 350X
    82 250R
    84 250R beater
    84 TRI-MOTO 125
    83 ATC 110
    70 US 90
    87BW 200( I know its not a trike but...)
    Reply With Quote Reply With Quote
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