2015 sg
Short answer: No.
You just spent over 20 grand on a motorcycle...
Now you want to spend another $1500ish on pipes, intake, etc, and you don't want to tune the engine for those changes?
Long answer:
If I've posted it once, I bet I've posted it 43 times...
The FIRST thing a man should do when considering making changes is GET A TUNER. It will help a stock bike, and when you change pipes and or air cleaner, you're ready for it.
Can you run without a tuner? Yes.
Will you blow your engine up running without a tuner? Probably not.
Can you expect to get 50,000 miles out of your engine without a tuner? Most likely.
Will it run correctly without a tuner? No.
Dealers and their parts and service departments are a business, in business to sell motorcycles, and motorcycle parts and accessories. They tell you that you can get away without a tuner, because a LOT of guys won't come off the jack for a tuner, and they're afraid they'll lose sales if they tell you to get a tuner.
Changing the air flow without changing the VE tables is not beneficial. These bikes run lean from the factory, adding a more free flowing exhaust makes them run more lean.
Do what you want, I won't criticize, just trying to offer things to think about.
...but there is a reason I won't buy a used bike as my primary ride...
You just spent over 20 grand on a motorcycle...
Now you want to spend another $1500ish on pipes, intake, etc, and you don't want to tune the engine for those changes?
Long answer:
If I've posted it once, I bet I've posted it 43 times...
The FIRST thing a man should do when considering making changes is GET A TUNER. It will help a stock bike, and when you change pipes and or air cleaner, you're ready for it.
Can you run without a tuner? Yes.
Will you blow your engine up running without a tuner? Probably not.
Can you expect to get 50,000 miles out of your engine without a tuner? Most likely.
Will it run correctly without a tuner? No.
Dealers and their parts and service departments are a business, in business to sell motorcycles, and motorcycle parts and accessories. They tell you that you can get away without a tuner, because a LOT of guys won't come off the jack for a tuner, and they're afraid they'll lose sales if they tell you to get a tuner.
Changing the air flow without changing the VE tables is not beneficial. These bikes run lean from the factory, adding a more free flowing exhaust makes them run more lean.
Do what you want, I won't criticize, just trying to offer things to think about.
...but there is a reason I won't buy a used bike as my primary ride...
Last edited by SafetyMan; May 19, 2015 at 06:20 PM.
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Tourer
Joined: Jul 2007
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2015 sg
i'll say it once! getting better than 55 mpg on last 4 fill ups!! never had this GOOD on any bike or trike with or without a tuner! and yes i have a power vision for it ,but i did not want to change anything that would ruin my mpg.
Think about how lean you are running to get that mileage.
Lean=hot.
Is that good for the internals???
I'm not saying you will... but IF you burn a hole in a piston, do you think that could be attributed to the parts you put on?
Hopefully you save enough by not buying a tuner and that gas mileage to build an engine.
Again, I am not criticizing, just stating my worthless opinion.
And restating why I don't buy used bikes as my primary rides....
Lean=hot.
Is that good for the internals???
I'm not saying you will... but IF you burn a hole in a piston, do you think that could be attributed to the parts you put on?
Hopefully you save enough by not buying a tuner and that gas mileage to build an engine.
Again, I am not criticizing, just stating my worthless opinion.
And restating why I don't buy used bikes as my primary rides....
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