I got my V&H Bigshots installed today. Perfect sound!
The only thing I noticed is a little more "popping" than with the stock can. Anyone experience the same?
The Yamaha dealer installed them and didn't adjust anything. Is that correct?
I just got done with my Big Shot install and Thunder Air and I noticed a lot more popping with just the exhaust and started tweaking on the stock ECU a little to richen things up because the plugs showed she was running a little lean. Anyway, I installed the Thunder Air today and have run about 10 miles and the popping is not as previlant. I have the PCIII on order and will install that in a few days and we'll see from there. I will keep you posted on what happens.[8D]
Get rid of the AIS today if you havn't already and richen up the ECU until your plugs run a nice brown. I'm running a BAK and Chaimbermaids with the stock ECU, I've got great throttle respone, it only pops when it's cold and nothing I ride with can touch it. Well except for that dam RC51.
Another quick point on my above post, I have installed the Power Programmer and there was some help, but alas, it still has that trailer trash backfire. I am just short of removing the fuel injection and going with a carb, or my other option is dump the bike and buy a Harley. Naw! Everybody has a Harley. I am glad I found this forum, thanks for all your input.
I would install the AIS block and if it still
backfires a lot then I would track down one of those Dyno Jet locations from their web site and have the bike Dyno'ed. They can custom map your PCIII chip. Might be what you need.
I installed my Big Shots a week or 2 ago. I finally got a chance to
ride with them yesterday and had no pops or backfires. I am running
stock air (until my speedstar scoop comes in) no ECU changes and my
PCIII is on order and not installed yet (from looking at the plugs
I may not need it until more drastic changes are made). Note that I
am still within the 600mi breakin period and am only taking it to
2500 rpm max.
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