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Has anyone actually blown up on any of the 240-270 tunes

Ndoggct

Pro
Joined
Aug 25, 2018
Messages
138
Age
45
Location
Ct
Country
USA
Snowmobile
Looking for 18 sidewinder
hello I am debating on whether to keep my sidewinder on stock tune so I can save the warranty or saying screw it and get a tube because they are supposedly bulletproof
Has anyone actually had a 998 blow up on any of these tunes? Thanks
 

With built in properly workin knock protection from gap its pretty hard to burn down these sleds now. With any tune octane is your friend.
 
The problem I am seeing is u never know how the fuel is at some of these places in the middle of no where
 
You find a rash of belts blown on the big tunes, but not many if any engines since the knock detection has been made active and common place.

240 and belts will last for thousands of miles. Big tunes struggle more with belts, rollers and exploded clutches now too. So clutch maintenance is an every day ritual with the Yamaha Primary on big tunes.
 
Like others mentionned the knock detection is what makes the tunes bullet proof!!!!
I tuned my 19 with 0km on it and never felt the power of it in stock form!!!
Tuning with o km was a risk I took due to the possibility of a defect from factory!!!
 
Never rode stock...260 hp from day one...500 miles zero belt issues, zero knock issues or lights. I add this minimum 1 once per gallon since day one. If you get gas a questionable place add more...
 

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Hurricane 240 or Powertrail Sm are your friends. Good speeds ,87 octane in a pinch( no long periods of WOT) and near stock like belt wear! I am sure the chaincase is stressed less also.
 
Yes a have seen a few on socials media!
One whit blow up head gasket on his 2019srx "French chat" yesterday ....
 
Absolutely not!!! You are full of it as usual
Wooow such a gentleman... And you are right! I am full of good sens:D


Did i mention tuner????? Its not even your tune.....:beer:



Just take well care of your paying customer and you will be fine....LaLaLa
 
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Yes a have seen a few on socials media!
One whit blow up head gasket on his 2019srx "French chat" yesterday ....
You are showing your true colours nothing but bitch about stuff, weights, drive shafts, brake rotors and now tunes. Real piece of work.
 
I know of some that have gone down in our area. I’m not sure you can blame the tunes, would have to say user error. There is no tuner that has 100% reliability regardless what they claim!
 
You are showing your true colours nothing but bitch about stuff, weights, drive shafts, brake rotors and now tunes. Real piece of work.
I was just answering the post!
Is this motor bulletproof? The answer is NO!
I never mention any tuner.... Every tune have broke engine, it's #$%&*mecanic! Yesss i am "bitching" weak aftermarket stock pisses me off :-/
Yes he has plagued this forum with negativity for some time now. A real pro
YES i am negative over your cusotmer support and service
 
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