2011 WOT RPM

burlyviper

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Location
Ottawa Lake MI
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USA
Snowmobile
2018 Sidewinder LTX LE, blue
2011 Apex 128, Ulmer Airbox and clutch kit, PCV, HID
1980 Exciter 300
I have a 2011 Apex 128 with 1100 miles on it. I have an Ulmers airbox mod and PCV with Ulmers map. On a long WOT run, my rpms are between 10,400-10,500. Is this about right given the amount of miles I have?
 
burlyviper said:
I have a 2011 Apex 128 with 1100 miles on it. I have an Ulmers airbox mod and PCV with Ulmers map. On a long WOT run, my rpms are between 10,400-10,500. Is this about right given the amount of miles I have?

Thats right where my mine ran at that mileage. Now at over 3k miles it runs about 100rpm higher. 10,500-10,600.
 
Wow , just how many miles does it take to loosen theses motors up , and what peak rpm should they top out at before horsepower starts to drop off
 
I think mine was around 2000 miles it stopped changing. It runs around 10800 rpms on long runs
 


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