FAREWELL and a small warning

[JustinP]

Sounds like I'm not the only one not concerned about reliability over this.

[Reciprocal]

Sounds like I'm not the only one not concerned about reliability over this.

1.) It's not the same, you are expressing a concern, the OP is akin to a Pied Piper.

2.) Having the power and using it are two different things. The power gain from the flash continues building where the stock power has begun falling off, about 10,000 rpm. Keeping rpm below that departure point is keeping it generally in the range of stock; power that's there when you ask for it, but not imposing itself, more like an extra gear.

3.) Raising the maximum rpm (redline) is increasing linear piston speed; reversing direction at the top and bottom of each stroke increases inertia. Simultaneous maximum rpm, torque and combustion pressure is the perfect storm of maximum load, stress and wear.

4.) If you control your urges and redline trips to the appropriate opportunities, there's plenty of stock power available below the departure point to coexist with long life.

5.) In your particular case, you live at 4,700 feet above sea level. Your combustion pressures are 16% less than sea level. You have a longer life benefit to start with. You can extend the life by being nice to it, short shifting, riding relaxed and still keep the pace for street riding.

6.) Not trying to encourage you to flash at all, totally respect keeping things stock. But fundamentally, higher speeds and pressures shorten life, even when they are kept stock but just start out higher. In other words, Your stock H2 SX engine is going to have shorter lifespan than the engine in your truck which spins much more slowly.

[JustinP]

Sounds like I'm not the only one not concerned about reliability over this.

1.) It's not the same, you are expressing a concern, the OP is akin to a Pied Piper.

2.) Having the power and using it are two different things. The power gain from the flash continues building where the stock power has begun falling off, about 10,000 rpm. Keeping rpm below that departure point is keeping it generally in the range of stock; power that's there when you ask for it, but not imposing itself, more like an extra gear.

3.) Raising the maximum rpm (redline) is increasing linear piston speed; reversing direction at the top and bottom of each stroke increases inertia. Simultaneous maximum rpm, torque and combustion pressure is the perfect storm of maximum load, stress and wear.

4.) If you control your urges and redline trips to the appropriate opportunities, there's plenty of stock power available below the departure point to coexist with long life.

5.) In your particular case, you live at 4,700 feet above sea level. Your combustion pressures are 16% less than sea level. You have a longer life benefit to start with. You can extend the life by being nice to it, short shifting, riding relaxed and still keep the pace for street riding.

6.) Not trying to encourage you to flash at all, totally respect keeping things stock. But fundamentally, higher speeds and pressures shorten life, even when they are kept stock but just start out higher. In other words, Your stock H2 SX engine is going to have shorter lifespan than the engine in your truck which spins much more slowly.

No arguments from me on any points. I said I'm "Not Concerned". The OP obviously was not nice to his bike and did not follow your advise above

I will be flashing with the lowest vcyclenut tune. More interested in smoothing the throttle response. Don't plan on bouncing off redline every chance I get.

BTW, the H2 SX SE replaced my 08' Busa with almost 100k miles I just sold. That bike was modded, and ridden in a spirited manner frequently, but still pulled like a freight train. You have to really try to break these modern machines. Seems the OP tried hard enough.

[Reciprocal]

I said I'm "Not Concerned". The OP obviously was not nice to his bike and did not follow your advise above

I will be flashing with the lowest vcyclenut tune. More interested in smoothing the throttle response. Don't plan on bouncing off redline every chance I get.

BTW, the H2 SX SE replaced my 08' Busa with almost 100k miles I just sold. That bike was modded, and of ridden in a spirited manner, but still pulled like a freight train. You have to really try to break these modern machines. Seems the OP tried hard enough.

Oops.

[Burmashave]

I said I'm "Not Concerned". The OP obviously was not nice to his bike and did not follow your advise above

I will be flashing with the lowest vcyclenut tune. More interested in smoothing the throttle response. Don't plan on bouncing off redline every chance I get.

BTW, the H2 SX SE replaced my 08' Busa with almost 100k miles I just sold. That bike was modded, and of ridden in a spirited manner, but still pulled like a freight train. You have to really try to break these modern machines. Seems the OP tried hard enough.

Oops.

Ha ha, I misread Justin's post the same way you did. All the same, your response put things in context.

[Prof J]

If you are tuned please be super careful of your oil levels, do not overfill. If you overfill the crank will slap your oil into a cappuccino froth that will go up the crank vent and settle back into a fluid in your airbox - with highly likely ingress into the combustion cycle. Decrease your oil change intervals and do the filter every change - staying with factory service intervals is not good enough once you tune-up.

2HYPR

Is the above what you think was the cause to the engine failure (resulting in the piston issue)?

[vcyclenut]

im sorry but im going post this, only because I keep getting asked my opinion of what happened and I understand why people are asking me but I did not tune his bike and a look through this thread will show you that 2hypr had his bike tuned to the limit, well it would appear past the limit.

People should modify their bike to their comfort level. There have been no issues with any of the bikes whos ecu ive flashed. My own personal h2sx has been dyno'd at least 300 times bouncing off the limiter each time without issue.

I don't want to make any speculations about why 2HYPR had an engine failure

viewtopic.php?f=8&t=725

[cOoTeR]

Hypr dues bring up one point I agree with here though. If you have modified your bike you should do maintenance at more frequent intervals. I do it with all my vehicles that are modified. Especially after running them hard.

[cOoTeR]

Also @2HYPR the dealer did your time and it's still warrantied? I didn't know that was possible.

They are the only ones who touch the bike - I do not demand any numerical improvements from them - just give it to them and say do your best - some changes were reverted after experimentation and no real results. Important stuff learnt for their perspective is a "generic" tune is arbitrary as there were some differences from bike to bike and individual tuning seems a safer way to go. I happily make the bike available for when they ever have an "event" to show folks what's possible... I paid for the parts they comp'd the labour for fitting etc it's all very civilised and symbiotic, plus helps that it's not the first or last bike I have/will buy from them

I wonder if the dealership will use the broken engine parts to "show folks what's possible" with their "safer" tune?

[Prof J]

I wonder if the dealership will use the broken engine parts to "show folks what's possible" with their "safer" tune?
[/quote]

Maybe 2HYPR has them and will share. ?