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Thread: 1150GS spark plugs

  1. #1
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    1150GS spark plugs

    is autolite 3922 proper spark plug for '01 1150GS?
    thanks

  2. #2
    Registered User Bmandiego's Avatar
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    The stock plugs are Bosch. There are many people who use Autolites, though.
    2000 R1100RT-P

  3. #3
    MOA #24991 Pauls1150's Avatar
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    Yes the AP3922 is the right "center" plug. (This is one step hotter than the AP3923, which is good in the 1100s.)

    You can also use the NGK BKR7EKC-N (NGK part # 2095) in there.
    If you want the iridium plug (longer lasting), the number is BKR7-EIX (NGK # 2667).

    For the lower/outer plugs, NGK DCPR6E (part # 3481); or DCPR6-EIX (NGK # 8196) for the iridium.

    All three of my oilheads have run noticeably better with the Autolites or NGKs than with the Bosch. When I do my routine throttle-body balance, I'll stick the Bosch plugs in there, since they'll show imbalances more readily; then when I've got it as close as possible, I'll put my NGKs back in.
    And - not to start another debate, I just ain't listenin' - yes I do put a tiny bit of anti-seize on the threads: the threads are stainless steel, the heads are alloy, and I won't risk galling.

  4. #4
    Registered User NavyDad's Avatar
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    [QUOTE yes I do put a tiny bit of anti-seize on the threads:QUOTE]

    +1 on the anti-seize.

  5. #5
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    thanks

  6. #6
    Registered User Bmandiego's Avatar
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    Quote Originally Posted by Pauls1150 View Post

    yes I do put a tiny bit of anti-seize on the threads:
    .
    me2!
    2000 R1100RT-P

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