spark plugs ? 1988 140hp johnson

licketdsplit756

licketdsplit756

Petty Officer 1st Class
Joined
Jun 15, 2007
Messages
318
i got these to # ql78yc or l78yc i believe these are racing plugs.. but all the listings for plugs for this motor lead to these. i know its a v4 big bore looper.i dont want to burn the motor up if these are not the plugs for it. j140txcc model
 
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wilde1j

Vice Admiral
Joined
Apr 15, 2002
Messages
5,964
Re: spark plugs ? 1988 140hp johnson

120, 130, 135, 140 (90? V4 Looper) 1985 - 2001 QL78YC (see note 3) .030" gap

QL suppressor plugs recommended for VRO/OMS applications.
 
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