Join Date: Jan 2006
Location: Originally from Atlanta GA. Live in Milan, Indiana
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Rode today with the insert installed in my Yoshimura RS3 for the first time. It was definetly quieter. I actually think it sounds better, smoother. I noticed the throttle response was improved over running it with a wide open baffle. Also noticed on decel it wasn't poping anymore. It was nearly all gone after installing the European Spec ECU, but now it's all gone.
Jay, your getting more back pressure so its more than likely giving you better low rpm response. Top end, is where the Open Baffle will show its advantage as the bike will be able to move that extra air and make better power.
European Spec ECU, as you know I have this too. The difference to me is the bike runs hotter. This will cause better combustion less unburnt gas coming out of the exhaust pipe. I am thinking the ECU was setup this way to help pass more strict Euro emissions laws at that time. I will admit my bike ran better with the install but new plugs and a carb sync was performed at that time so it leaves a little doubt about the ECU.
I am not liking the hotter running bike and will more than likely switch back come summer.
Whats your thoughts?
If its burning fuel more efficiently I would leave it the way it is. The bike runs hot at a stand still anyway. Its nothing to worry about because our bikes are liquid cooled.
Air cooled bikes on the other hand i would not want to make any mods that would make them run hotter unless your racing the bike and you are not in stop and go traffic.
No Worries..Just a comfort thing...
My bike would run in the 160ish range with the stock ECU. The Euro ECU 180ish range. On a hot summer day that 20 degrees makes a difference in slow moving traffic.
But...... lol, I personally see no reason to make such a modification on my bike because of how well it performs as it is. I'm not even sure if i want to change the ignition timing, another popular mod.
I believe people make these adjustments and gain improvements say in the low end... and lose something in the high end. Or it could be completely all made up in ones mind lol.
Here is my take on it, I believe putting standard mods aside, aftermarket air filters,exhaust, carb shims<if needed>. Your money would be better served performing general maintenance on the bike.
Plugs, carb sync, clean air filter, valve adjustment etc. and if you you feel are are missing some power in the low end or top end a gear ratio change would be a more effective way of achieving how you would prefer your bike to perform at low to high speeds.
At the moment my bike pulls so hard until it tops out i really cant imagine a improvement over the performance that I am getting out of it right now. I raced a mustang the other day and my front wheel was leaving the ground in 3rd gear lol. +4 rear ftw.
All about preference.
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