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Thread: Spark plug for ESR big bore in ATC

  1. #1
    Join Date
    May 2010
    Location
    Ripon, Wisconsin, United States
    --
    861

    Spark plug for ESR big bore in ATC

    Is there a plug other than a br9es that help with plug cap clearance?
    ]1986 ATC 330R
    1985 ATC 250R vintage PSI racing ported motor
    Get your replacement ATC 250R decals and custom Big Bore #'s here http://shop.3wheelerworld.com/catego...=2&pagegroup=1

  2. #2
    Join Date
    Aug 2008
    Location
    OK
    --
    5,450
    Somebody on another thread had mentioned a special "short" plug. Let me do some digging.. It may have been on .org
    Rides:
    1986 ATC250R (sectional pipe and Klemm Research silencer)
    1986 ATC250R (Desert Bike, WAX-ON seat, Dual Cibie lights, Steering Stabilizer)
    1979 ATC110 (Bandito frame and forks, Turbo wheels, disc braked)
    1982 ATC70 (Lifan manual 125)
    1987 LT80 (piped, widened)


    My feedback thread
    http://www.3wheelerworld.com/showthr...ack-for-dcreel

    RIP Trace.. Godspeed.

  3. #3
    Join Date
    Aug 2004
    Location
    Phoenix
    --
    1,226
    Ngk-br8ecmix
    Last edited by 3Razors; 12-04-2010 at 01:33 AM.
    4 Strokes are NOT the wave of the future!

  4. #4
    Join Date
    Aug 2008
    Location
    OK
    --
    5,450
    There it is.. thank you 3Razors..
    Rides:
    1986 ATC250R (sectional pipe and Klemm Research silencer)
    1986 ATC250R (Desert Bike, WAX-ON seat, Dual Cibie lights, Steering Stabilizer)
    1979 ATC110 (Bandito frame and forks, Turbo wheels, disc braked)
    1982 ATC70 (Lifan manual 125)
    1987 LT80 (piped, widened)


    My feedback thread
    http://www.3wheelerworld.com/showthr...ack-for-dcreel

    RIP Trace.. Godspeed.

  5. #5
    Join Date
    May 2010
    Location
    Ripon, Wisconsin, United States
    --
    861
    Thanks thats a $$$ plug!
    ]1986 ATC 330R
    1985 ATC 250R vintage PSI racing ported motor
    Get your replacement ATC 250R decals and custom Big Bore #'s here http://shop.3wheelerworld.com/catego...=2&pagegroup=1

  6. #6
    Join Date
    May 2010
    Location
    Ripon, Wisconsin, United States
    --
    861
    Is there another plug besides the br8ecmix that will clear on a atc 250r esr big bore? no one has them here in town, thats fine if I have to order some online. What are the physical differnces between the br8es and br8ecmix? Is the 8 the heat range I should always use?
    ]1986 ATC 330R
    1985 ATC 250R vintage PSI racing ported motor
    Get your replacement ATC 250R decals and custom Big Bore #'s here http://shop.3wheelerworld.com/catego...=2&pagegroup=1

  7. #7
    Join Date
    Oct 2009
    Location
    FF, Man.
    --
    774
    Does this help, does the ix just mean its an iridium plug?
    Click image for larger version. 

Name:	plug chart.pdf 
Views:	10 
Size:	13.8 KB 
ID:	116211
    Last edited by D-dub; 02-07-2011 at 04:57 PM.

  8. #8
    Join Date
    Oct 2002
    Location
    Fresno Ca
    --
    2,695
    NGK part# is BR8ECM

    That is the number in the other thread.
    Try that one.

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