You can gap platinum plug, I have been doing it for years. Here is a NKG tech video on the proper way. http://www.youtube.com/watch?v=lk70oyUEftY&feature=player_embedded
John
John
MarineEngine.com does not offer troubleshooting assistance or repair advice by email or by telephone.
You are invited to join our public Boat Repair Forum to seek assistance from other members.
You may also visit the Boat Motor Manuals section of our site to obtain a service manual.