Fuel questions

Paulz1265 · 02-22-2018, 01:13 AM

According to my Gy6 scooter manual, you're supposed to use 91 octane or higher. I haven't actually noticed a difference with lower octane like 87 though. The funny thing about scooter manuals is they constantly contradict themselves. My 125cc GY6 "requires" 91 octane, but the compression ratio is 9.5 to 1, which means 85 is ok too.

Irish · 02-22-2018, 03:56 PM

When in NH , a friend worked part-time for the State maintenance crews. Every night , at quitting time they would drain all of the machines used that day! I don't know what the octane was!

Irish

02-22-2018, 03:56 PM	#2
Irish Join Date: Dec 2014 Posts: 738	When in NH , a friend worked part-time for the State maintenance crews. Every night , at quitting time they would drain all of the machines used that day! I don't know what the octane was! Irish
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