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Yamaha XVS 950 V-Star Page

 

 

 








ECU Re-Flash
Ivan's®  ECU flash for:
2009 - 2017 V Star 950
- $350.00 - AVAILABLE NOW !!
2009 - 2017 XVS950 V Star- $350.00 - AVAILABLE NOW !!

No need for any fuel controller - Fuel controller is optional.


When sending your ECU, please print and fill out
THIS FORM



My ECU tuning philosophy can be found on this page: ECU PAGE




My 950 V-Star ECU programming (Re-Flash) includes the following:

1) Fix all inherent fueling problems inside the ECU.
(the ones that cannot be fixed with an external fuel tuner)

2) Disable fuel cut
a) Gets rid of poor throttle transitions from closed throttle.
b) Gets rid of annoying popping and banging during decel and also when re-applying the throttle from closed.
c) Throttle modulation is noticably improved over what can be achieved with a fuel tuner alone.
d) Feels buttery smooth upon re-application from closed throttle (in all riding conditions).

3) Complete re-curve of ignition timing
a) Gets rid of part throttle timing retarder for more response and less vibration when cruising and moderate acceleration.
b) Gets rid of high rpm timing retarder allowing the engine to make maximum power for longer.
c) Set timing for maximium power and driveability across the entire rpm range & all throttle positions
d) Adjust timing to be the same for all gears.

4) Raise rev-limit in all gears to 7000 rpm.

     

5) Anything that compromises performance and/or driveability is eliminated.


6) Reduced running temperatures.

7) Reduced heavy engine braking on decel.
   (More relaxed gear changes and throttle modulation at all speeds)


8) Free upgrades when/if we make improvements.

9) Return your ecu back to stock at no charge for any reason.
    (shipping not included)

10) Answers to all your questions.....



All testing was done in house on the above V Star 950.


We can reprogram for the following markets:

USA & Canada for now



ECU reprogramming may not comply with federal safety/emission laws
ECU reprogramming may not comply with your warranty

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Our Performance Package for this model includes: (you need to call for pricing)

Slip-on or Full exhaust system - Call for pricing.

Power Commander 5 or PCFC (pre-programmed with Ivan's custom map)
-Or- other fuel tuner of your choice that is available from us.

A Fuel tuner is not required, but the smoothest throttle response and driveability are attained when
the fueling is matched to your exhaust and intake requirements at all throttle positions.

Power Commander products allow us to add or subtract the exact amount of fuel needed
to make your bike run the best that it can at any throttle position for your specific intake/exhaust combination.
This also leaves you with a totally adjustable fuel system that can be changed at any time, for any reason.


Reprogramming of your ECU

Air filter kit of your choice

Also included with purchases from us:

Un-paralleled tech support
Instructions for setting up your PCV (or other fuel tuner purchased from us) to your bike

Specific instructions for setting up your XVS950 V Star

Answers to all your questions.....



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Just like the Yamaha Bolt, this bike is very restricted in "as delivered" condition
This chart shows the ECU's power restrictions removed.






Adding a slip-on exhaust alone gives some gains, but as can be seen here is still very restricted.






Just adding Ivan's ECU programming really compliments the exhaust changes
Slip-on & stock ecu VS. Slip-on & Ivan's ecu




Now the gains are looking a lot more impressive !!
All stock VS. slip-on & Ivan's ECU programming





Intake tests


The airbox is very restrictive on the on the 950 V Star (appx 9hp)
If you want all the power, an air filter kit is a requirement
.




Having an intake and exhaust without Ivan's ECU tuning
is leaving a lot of driveability and performance on the table




Final Result - Speaks for itself




Similar results with Duals shown in above photo











 

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