Ashmy19gasgas
New member
After 9 hours bike failed to start. Just heated back from dealer that the woodruff key has sheared off. All will be sorted on warranty but it?s still wank however you look at it 
2019 ec300 start failure
- Thread starter Ashmy19gasgas
- Start date
Davehuge
Member
That's a shame but at least it was an easy fix, let's hope you have many hours of reliable and fun riding ahead of you.
I reckon the guy on the production line responsible for tightening the flywheels needs to have his torque wrench recalibrated, I heard of at least one other late 2018 bike shearing the woodruff key...
If there's any other owners of 2018/2019 bikes reading this, I would recommend checking the flywheel nut for correct torque, might just prevent you getting stranded somewhere!
I reckon the guy on the production line responsible for tightening the flywheels needs to have his torque wrench recalibrated, I heard of at least one other late 2018 bike shearing the woodruff key...
If there's any other owners of 2018/2019 bikes reading this, I would recommend checking the flywheel nut for correct torque, might just prevent you getting stranded somewhere!
Ashmy19gasgas
New member
Stranded somewhere like me
Ashmy19gasgas
New member
Off hand, does anyone know the correct torque for the flywheel nut?
RudolfHucker
New member
40 Nm according to the workshop manual. Use threadlock.
Ashmy19gasgas
New member
Bike is back has good has new 
Ashmy19gasgas
New member
Yea boi out tomorrow and buzzing for it 
Davehuge
Member
Hmmmm, back firing after 3 hours... intriguing... another woodruff key sheared?
Have you got a flywheel puller?
Keep us posted!
It could also just be a fouled spark plug, I would try a new plug first.
Hmmmm, back firing after 3 hours... intriguing... another woodruff key sheared?
Have you got a flywheel puller?
Keep us posted!
It could also just be a fouled spark plug, I would try a new plug first.
Done all that . Was fine then went to start but no go. Other than a possible sheared key the filter installed by the factory or dealer wasn?t installed correctly...bottom right corner sealing face of the filter folded back. So check your air filter when a new bike gets delivered ( no matter what make )
Jakobi
Super Moderator
Pull the flywheel Steve!!
Davehuge
Member
Yeah, any update? I'm picking up my new EC 300 from the dealer next weekend........enquiring minds gots to know
Just for peace of mind, I would ask your dealer to check the torque of the flywheel nut before you collect it, it'll only take them 5 minutes, I'm sure they wouldn't mind.
Or even better, check it yourself when you get it home.
Have fun on your new bike, I'm sure you'll love it!
Davehuge
Member
I don't want to give GasGas any bad press (I'm a big fan) or make a mountain out of a mole hill.
I might be jumping to conclusions unnecessarily, it's just that I've recently read of two new/low hours bikes that have sheared the woodruff key.
A quick check of the flywheel nut might prevent you from getting stranded.
I might be jumping to conclusions unnecessarily, it's just that I've recently read of two new/low hours bikes that have sheared the woodruff key.
A quick check of the flywheel nut might prevent you from getting stranded.
rodent
Member
Just for peace of mind, I would ask your dealer to check the torque of the flywheel nut before you collect it, it'll only take them 5 minutes, I'm sure they wouldn't mind.
Or even better, check it yourself when you get it home.
Have fun on your new bike, I'm sure you'll love it!
Thanks for the reply Dave
I'm going to get them to check it before pickup, I'd rather it didn't become my problem 
Davehuge
Member
Hey Bargas300... what happened? Give us an update!
Hope you've got it sorted.
All the best, Dave.
Jakobi
Super Moderator
I was following on FB. Pretty sure he posted a picture showing some damage to the top edge of the piston (viewed through the exhaust port). Not sure where it went from there though.
I was discussing the flywheel sheering with my dealer last week when I was in the shop. The issue is that the factory has been using a dry thread sealant/pre applied loctite. The lack of lubrication (and possibly a lower than expected torque spec), means the torque wrench is hitting spec and clicking before the bolt bottoms out.
I think I might pull mine off and have a look.
I also saw a post on FB where a couple others have had the smaller bolts holding the ring gear onto the flywheel back out.
I was discussing the flywheel sheering with my dealer last week when I was in the shop. The issue is that the factory has been using a dry thread sealant/pre applied loctite. The lack of lubrication (and possibly a lower than expected torque spec), means the torque wrench is hitting spec and clicking before the bolt bottoms out.
I think I might pull mine off and have a look.
I also saw a post on FB where a couple others have had the smaller bolts holding the ring gear onto the flywheel back out.
Davehuge
Member
Thanks Jakobi, that's interesting and explains everything.
I don't use FB as I firmly believe it's the work of the devil.
So it sounds like the factory are aware of the issue and will have rectified it. I hope dealers are checking any bikes that might be affected as they pass through.
All the best, Dave.
I don't use FB as I firmly believe it's the work of the devil.
So it sounds like the factory are aware of the issue and will have rectified it. I hope dealers are checking any bikes that might be affected as they pass through.
All the best, Dave.
