Quote:
Originally Posted by Thors Hammer
174 is about what all the US Magazines are getting. If your getting 173 with a pipe and PC, there has been others complaining of the same thing with that Akra set up your getting. Apparently BMW really knows how to build a stock exhaust.
I would say there is NOTHING wrong with your bike. The US Magazine bikes (Japs included) typically test higher dyno numbers than what the rest of us buy from the dealers anyway.
Use to be an old saying, there is 2 types of Horsepower, California Magazine Horsepower, and the horsepower the rest of us get.
I know where your disappointment is coming from. People like Brocks, Chris Peris and Dynojet's develpment bike with early release bikes making 196+ at the wheel stock. You was hoping to add a pipe and PC to 196+ and get 200. Aint happening to the actual end buyer like you and me who buy from the local dealer.
The S1000RR with 173 at the wheel is a FANTASTIC bike, go ride it and enjoy it. Nothing wrong with it. This is just how it is. This is how its always been since Dynojet released their first model dyno DJ 100 back in 1990. Nothing has changed.
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200 is easy, I'm up to 218.
Some bikes are making 10+ hp less, it's a fact, I've seen new bikes from the dealer do their 600 mile and then roll on the same dyno in sequence and turn 173 then 183, two different bikes, both around 1000 miles and bone stock, back to back.
It's probably a valvetrain issue. It's not ECU though, we swapped ECU's from the 183 bike to the 173 and it stayed the same.
Could be rings I guess?
