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Post by Deleted on Aug 31, 2014 20:28:40 GMT -6
I had to use regular today in my 50 (gy6) since its all the gas I had on hand. who has used It without problems? I didnt notice any ping so im thinking its ok to not waste my money on 93 anymore.
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Post by gatekeeper on Aug 31, 2014 20:35:04 GMT -6
I use regular (87 octane) in all of my Chinese engines and I have had no issues doing it. Unless your compression is above 10:1 or so there is no need for the higher octane. Rule of thumb, if you hear pinging under normal driving conditions then use the higher octane stuff.
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Post by Deleted on Aug 31, 2014 21:14:59 GMT -6
I use regular (87 octane) in all of my Chinese engines and I have had no issues doing it. Unless your compression is above 10:1 or so there is no need for the higher octane. Rule of thumb, if you hear pinging under normal driving conditions then use the higher octane stuff. the comp ratio on a gy6 is 10.5:1. I didn't notice any difference. |
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Post by Guitarman on Aug 31, 2014 21:15:11 GMT -6
I always used mid-grade. Never a problem.
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Post by jct842 on Aug 31, 2014 23:26:28 GMT -6
The only bike I ever had that I could tell any difference was the 1200cc bandit and the only difference was when very hot in summer the extreme low rpms were more controllable. All I buy for any thing I own is low octane. and get gasoline when ever possible.
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Post by gatekeeper on Sept 1, 2014 2:58:07 GMT -6
I use regular (87 octane) in all of my Chinese engines and I have had no issues doing it. Unless your compression is above 10:1 or so there is no need for the higher octane. Rule of thumb, if you hear pinging under normal driving conditions then use the higher octane stuff. the comp ratio on a gy6 is 10.5:1. I didn't notice any difference. I've seen specs for GY6's that go from 8.8:1 for the 150cc to 10.5:1 for the 50cc. Regardless, I haven't had any issues with running the lower octane gas in mine. |
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Post by Bashan on Sept 1, 2014 5:54:17 GMT -6
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Post by tvnacman on Sept 1, 2014 6:10:09 GMT -6
I run 87 in all my engines , remember the chinese use lower octane then we do here in the US . Our 87 is better than there hi-test .
John
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Post by richardv on Sept 1, 2014 6:47:54 GMT -6
There's a lot more involved than compression ratio. Include valve and ignition timing for starters. And don't forget the alcohol, it burns differently.
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Post by markwb on Sept 1, 2014 8:44:38 GMT -6
I've used 87 all along, no probs! simple
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Post by rks on Sept 1, 2014 8:44:50 GMT -6
All I will put in my 150cc is 91 oct, non ethanol, and from a dedicated hose..... also every fill gets a few drops of my favorite snake oil....Would probably run just fine on 87....can't find that grade in these parts without ethanol, so I'll stick to the mid grade....Bob  |
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Post by cyborg on Sept 1, 2014 11:19:38 GMT -6
hey markwb,,is the citrone yours?,,,the one in your avatar,,,i used to use premium in all my stuff now i use the midgrade,,,i see no difference,,aand use regular in my work van,,,no difference
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Post by kz1000st on Sept 1, 2014 11:38:18 GMT -6
As a courtesy to my CF Moto 250 I was running mid grade in it when I first got it. One day I forgot and dumped in regular. No difference in mileage or performance. Just for yucks I put some non-ethanol premium in the Honda Rebel and WOW! It was so much faster than my 250 scooter! Of course it always is (less weight, more power and direct drive) and the premium did nothing for the Rebel that I could notice.
Everything else gets regular.
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Post by markwb on Sept 1, 2014 13:01:07 GMT -6
hey markwb,,is the citrone yours? Cyborg, no the Citroen is not mine, I wish it was though. It's a Citroen 2cv from the late 50's maybe early 60's. When I was in Europe years ago they were quite common, I rode in a few. One of my favs! Thanks for asking. Don't want to hijack this thread, back on topic.  I use 87 in all my engines except the Bonneville SSEi which gets 93.  |
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Post by Bashan on Sept 5, 2014 20:41:08 GMT -6
As a courtesy to my CF Moto 250 I was running mid grade in it when I first got it. One day I forgot and dumped in regular. No difference in mileage or performance. Just for yucks I put some non-ethanol premium in the Honda Rebel and WOW! It was so much faster than my 250 scooter! Of course it always is (less weight, more power and direct drive) and the premium did nothing for the Rebel that I could notice.
Premium has less energy than regular per unit volume but the spark retardants allow riders to utilize the available energy without pre-igniting from the high compression ratios. If you have a lower compression ratio you not only waste money but you get more power from regular. Premium gas has nothing regular doesn't have except spark retardants...oh...and a higher price. Rich |
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I use 87 in all my engines except the Bonneville SSEi which gets 93. 