Forum Discussion

LittleBill's avatar
LittleBill
Explorer
Feb 17, 2016

Synthetic oil worth it? 18k hour yamaha generator says no.

I know this is going to start a war, figured I post it anyway link is below for a EF2000iS using Pennzoil Conventional 10W40 Motor Oil that has run 18,000 hours. Actually he has multiples over 10k ...
qchunter's avatar
qchunter
Explorer
Feb 17, 2016
Good read. Those little Yamaha gennies are nice. But I still prefer synthetic over regular oil.

About Technical Issues

Having RV issues? Connect with others who have been in your shoes.24,370 PostsLatest Activity: Mar 18, 2026