1987 85HP Force. Model# 856X7B. What is the best spark plug and number?
kbh121956 Chief Petty Officer Joined Jun 30, 2013 Messages 486 Jul 3, 2017 #1 1987 85HP Force. Model# 856X7B. What is the best spark plug and number?
jerryjerry05 Supreme Mariner Joined May 7, 2008 Messages 18,122 Jul 4, 2017 #3 The UL18V or BUHX are gapless plugs. They last a LONGGGG time. I used a set for probably 10 years(maybe longer) Changed them because I felt guilty!!! Just wiped them off and put them back in.
The UL18V or BUHX are gapless plugs. They last a LONGGGG time. I used a set for probably 10 years(maybe longer) Changed them because I felt guilty!!! Just wiped them off and put them back in.
kbh121956 Chief Petty Officer Joined Jun 30, 2013 Messages 486 Jul 4, 2017 #4 Thank you Jiggz and jerryjerry05.
