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Post by steelace on Jun 2, 2013 12:04:44 GMT -5
While riding I notice as I got the scooter up to 55-60 it would be at just about 8k rpms. Is this normal for a 150cc?
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Post by nate7504 on Jun 2, 2013 12:17:02 GMT -5
Well my top speed on a flat is 57-58 according to my gps,and my rpms are at 7340,so 8k might be a tad high, that's with 14 gram rollers,
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150cc RPMs?
by: scootdoggydog - Jun 2, 2013 12:53:40 GMT -5
Post by scootdoggydog on Jun 2, 2013 12:53:40 GMT -5
sounds about right to me
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Post by steelace on Jun 2, 2013 14:08:22 GMT -5
It ranges frok 7.5k - 8.1k rpm's. Idk if thats because I am a big guy lol
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Post by prodigit on Jun 2, 2013 15:48:26 GMT -5
I have ~7,2k RPM @~63MPH tops.
8k is about 500RPM in the high range. Optimally you'd be going ~63MPH @ ~7500RPM, right in the torque band. If that where the case, most likely you'd be able to go ~65MPH.
Your scooter's top speed is lower because you could up the gearing by 1 setting (taller gears in this case means lower RPM, and lower acceleration, but faster top speed).
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Post by steelace on Jun 2, 2013 18:45:25 GMT -5
So I should get a different gear? If so I have no idea what or where this gear is lol
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150cc RPMs?
by: indymoped - Jun 2, 2013 19:30:52 GMT -5
Post by indymoped on Jun 2, 2013 19:30:52 GMT -5
The gear is in the rear end. PITA to change. I'd just play with variator weights if I was you. It's cheaper and less work.
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Sophomore Rider
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Post by steelace on Jun 2, 2013 20:32:23 GMT -5
I will have to look up how to do this. Not that good with anything mechanical
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150cc RPMs?
by: domindart - Jun 2, 2013 21:04:53 GMT -5
Post by domindart on Jun 2, 2013 21:04:53 GMT -5
Neither am I. So I just ride...... if it aint broke don't fix it kinda attitude  |
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Post by prodigit on Jun 2, 2013 22:07:45 GMT -5
The rollers/ variator is already maxed out at top speed.
If you're not into tuning, then just fuel up with BP Premium. These bikes run lean, and BP Premium fuel will get more out of your engine.
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Post by steelace on Jun 3, 2013 9:59:29 GMT -5
Thanks guys. I will get some bp premium next time I need to fuel up. I been putting in premium unleded, not sure if thats the same though. I doubt it.
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150cc RPMs?
by: jeepsteve92xj - Jun 3, 2013 10:11:57 GMT -5
Post by jeepsteve92xj on Jun 3, 2013 10:11:57 GMT -5
On the Znen:
I added a small engine hour meter so I would have some dort of tach.
60 on my speedometer is about 53 tops via GPS. I get up to 8500 on a downhill.
May loose 1300RPM climbing the next hill, which means my speed is way down, like below 40
On the Xingyue, I managed 66MPH down a huge hill with a tailwind, and I was just over 10k RPM.
Usually running mid 7k at a little over 50mph.
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