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Sidewinder SRX top speed

Migster

Newbie
Joined
Apr 9, 2018
Messages
19
Age
37
Location
Ontario
Country
Canada
Snowmobile
Yamaha Sidewinder SRX
Hey guys just wondering how fast guys with the new SRX have been doing on GPS. I got mine up to 118 mph on speedo (not broken in yet) 490 km on it. Just looking to see how fast other stock SRX got so far on GPS. Pls post your speeds. I'll probably be looking to put a bigger top gear after break in, any recommendations? Thx
 
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128.1 on VBOX stock gearing and clutches besides for Dalton ramps 126-126.7 consistently with TD maxspool 17 with 3” snow on lake and on groomed snowmobile trail in 1000ft 120 consistent
 
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Mine is stock with 378 miles and I've seen 100 mph. Ran out of room, machine was still pulling and I was on hard pack snow. It was not a flat surface but wow what a pull.
 
If I can get my LTX to show 120 on the speedo with Igrip's in the lugs on a smooth ice/snow covered road, the SRX's are certainly capable of quite a few mph more.
 
121mph on gps when it was brand new "0"kms when i held it to the bar. before i boosted it 115mph in 1/4. my buddies ran 119mph in 1/4. both sled were on radar guns. my speedo is out by 4mph high vs gps and radar.
92 mph on radar in 500ft on snow/ice track.
 
I forgot to mention mine is stock and I was on hard pack snow and ran out of room at 118 mph on speedo. I'll find ice or a dirt road this weekend and clock it on GPS since I'm over the 500 km mark. I notice there's no video on YouTube of stock SRX speeds which is surprising. I guess I'll be the first. And good speeds so far guys . I'm pretty much trying to determine the stock SRX true max speed.
 
What rpms are you guys seeing with the stock clutching?
 
Heading down Long Lake today, lots of bumps. Hard pack trail and got 114 mph on speedometer . Machine still had more but saw the end of the lake . Machine has 450 miles on it .
 
If I can get my LTX to show 120 on the speedo with Igrip's in the lugs on a smooth ice/snow covered road, the SRX's are certainly capable of quite a few mph more.
Update: I downloaded speed APP, '69 speedometer'. Yesterday morning did a pull on my sideroad. Icy conditions with sidewind making it difficult to stay straight. (didn't want to end up against hydro pole), but I managed 110, while the speedo read 119! There may have been some track slip, as I don't have much for studs, just the puny ice grippers.
Stock 24/50 gearing. Popped it off the rev limiter a few times. 8DN belt.
 
Update: I downloaded speed APP, '69 speedometer'. Yesterday morning did a pull on my sideroad. Icy conditions with sidewind making it difficult to stay straight. (didn't want to end up against hydro pole), but I managed 110, while the speedo read 119! There may have been some track slip, as I don't have much for studs, just the puny ice grippers.
Stock 24/50 gearing. Popped it off the rev limiter a few times. 8DN belt.

I thought gearing was 21/41. Are you sure 24/50?
 


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