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2010 Vector products coming soon!

Srxspec

Ulmer Racing
Tech Advisor
Joined
Apr 17, 2003
Messages
5,348
Location
Menno, SD
Website
www.ulmerracing.com
Country
USA
Snowmobile
2014 Yamaha SR Viper LTX, 2014 Yamaha SR Viper RTX SE, 2015 Yamaha SR Viper MTX SE 162 (turbo), 2015 Yamaha SR Viper MTX SE 153
LOCATION
Menno, SD
WEBSITE
www.ulmerracing.com
Clutch Kits, 150 hp engine kit, exhaust header, etc all coming to Totallyamaha soon!

Just started uncrating the sled and putting on one of our digital water temp gauges!

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Could you post what you find for stock hp before you do the mods
to give a baseline on the same dyno as what to expect for gain.
Thanks for the info into this project.
 
Heeey, looking forward to see this build! ;)!

Especially interested to hear about the exhaust header (is it Excell?) and clutch-kit combo!
 
Beech said:
Could you post what you find for stock hp before you do the mods
to give a baseline on the same dyno as what to expect for gain.
Thanks for the info into this project.

I will have before and after tests on all items.
 
Beech said:
This post sort of went dormant. Has there been any progress to the
project?

We're working on items, there just has not been a ton of cold weather yet to do alot of testing!
 
Just curious,
How many hrs. do you plan to put on the motor to break-in properly and establish a fair baseline?
 
Also what did Yamaha do to "de-tune" the FX Nytro version of the 1049cc motor, is it all electronic, mapping or is it compression, cams ,porting etc.?
What kind of DYNO HP does the Nytro 1049cc typicly produce?
 
snoway said:
Just curious,
How many hrs. do you plan to put on the motor to break-in properly and establish a fair baseline?

3-4 heat cycles from 100 degree water temp to 200 degree water temp then letting it cool all the way down to 100 degrees on it's own again. Then put 30-40 miles on it varying the throttle for varied rpm. After 40 miles ride it like you normally would!

snoway said:
Also what did Yamaha do to "de-tune" the FX Nytro version of the 1049cc motor, is it all electronic, mapping or is it compression, cams ,porting etc.?
What kind of DYNO HP does the Nytro 1049cc typicly produce?

Electronics, mapping, cams, valve springs, etc.
 
Some track dyno information. Tested clutching, modified air box, and Excell header, all with excellent results!

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I do not have a Venture GT at my disposal, but I think we could pretty easily accomodate the differences between the Venture and Vector models without any problems. It would require a few changes to the clutch weight settings, but I do not see why it wouldn't work.
 
What's amazing to me is the track hp on the stock Vector is only about 2.5hp shy of your Nytro track dyno run (shown on your clutch kit link). Yet the Nytro should be putting out 10-14 more hp at the crank. Vector clutching more efficient? Getting 75hp to the track with your mods is very impressive.

Hey, how much hp would a stock Apex put down at the track?

Do you know how much hp the 120hp carbed engines made at the track?
 
If a person wanted to go with just the clutch kit and then
decided to add the header later,would one just tweak
the weights or would a whole new clutch kit be required?
 


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