increase

I opened my bill for 2017 tabs and was shocked. My bill is 68.75!! Last year it was 34 bucks!~~ Why why! Read below if you want.. Sigh they raised taxes on everything by double. I would not complain if they did 5% per year, that would be logical, but double?! What if milk, gas or your...

Stock unit I have been modifying and looking for more gains with the engine kit! I lightly blended the bore, cleaned up/radiused shaft and tapered throttle plate on first iteration. Dyno data was collected same day back to back on stock throttle body to modified one. Found over a horse...

I have a '15 RC and have a question about optimal fueling. I am not going to do any pipe or airbox mods as I am not looking to increase noise or horsepower or even change the torque curve. I have read a lot about the bikes running lean and think I understand the socio-political reasons for that...

. Just got word from Dyno Jet they are having a 5-10% price increase for 2016. It may not sound like a lot...... But, that's approx. $25-$35 on a PCV Just something to consider........ if you are planning on getting a PCV in the next few months. >> PCV << .

So it seems that the exhausts for the rc390 may or may not increase power so I'm going to go with the Fuel Diablo muffler later this week. Does anyone have one? Does it increase power? Im interested in everyone's opinion! Thanks! YouTube