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Smashed Stator Cover - F4i

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JackDG
Renault 5 Driver



Joined: 23 Apr 2013
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PostPosted: 15:17 - 12 Dec 2018    Post subject: Smashed Stator Cover - F4i Reply with quote

Hi guys, cbr600 went down the road on its left side, smashing open the stator cover.

After removing it I visually inspected the flywheel / stator and anything I could see. There are some scratch marks on some of the gears and structure of the flywheel housing, but it doesn't look like anything got eaten up / grenaded.

Is non-oem stator cover ok or is this a part I should go OEM on?

I'm hoping I can just swap the stator over to the new cover and be good to go following turning the engine by hand to check its not seized. That + the visual inspection of the flywheel housing is there anything else you would do before starting the bike?
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bikenut
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PostPosted: 15:20 - 12 Dec 2018    Post subject: cover Reply with quote

post a pic of the cover and flywheel area etc.....flywheel magnets etc. all ok and fdid bike run when you picked it off the road?? you ok?
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JackDG
Renault 5 Driver



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PostPosted: 15:44 - 12 Dec 2018    Post subject: Reply with quote

Unsure about the bike running when it got picked up as somone else did it. While the bike did dump all its oil, the oil left over in the flywheel housing seemed free of metal.

Yeah I'm fine, it was back in sept but just getting to it now, it has its own thread somewhere Rolling Eyes

I didn't think there was anything useful in the photos but I'll post them in case.

https://i.imgur.com/SxKZ6V4.jpg
https://i.imgur.com/ZFd0tVq.jpg
https://i.imgur.com/GDC3IBq.jpg
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bikenut
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PostPosted: 16:04 - 12 Dec 2018    Post subject: Reply with quote

Satisfy your self there is no scuffing of the flywheel magnets ( covered with tin shield ) and stator poles, and, the flywheel system rotates all ok when fitted over the stator, the stator fits inside the flywheel.

Be sure the flywheel runs "true" with no wobble.

Be absolutely sure 100% that there are no bits hidding/trapped behind the flywheel and starter motor area's etc., 100% sure!!!!!!!
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Sister Sledge
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PostPosted: 18:57 - 12 Dec 2018    Post subject: Reply with quote

bikenut wrote:
Satisfy your self there is no scuffing of the flywheel magnets ( covered with tin shield ) and stator poles, and, the flywheel system rotates all ok when fitted over the stator, the stator fits inside the flywheel.

Be sure the flywheel runs "true" with no wobble.

Be absolutely sure 100% that there are no bits hidding/trapped behind the flywheel and starter motor area's etc., 100% sure!!!!!!!


This ^^

Once you're happy that the flywheel runs true and you've put it all back together, do a full oil and filter change just in case. (joke there somewhere!)
Gear selector is borked and that linkage is bent - make sure the gear selector shaft into the engine isn't bent/case cracked etc.
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stinkwheel
Bovine Proctologist



Joined: 12 Jul 2004
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PostPosted: 20:46 - 12 Dec 2018    Post subject: Reply with quote

In terms of the cover. If it's oiltight and the stator isn't mounted so far out it's fouling, you should be good.
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“Rule one: Always stick around for one more drink. That's when things happen. That's when you find out everything you want to know.
I did the 2010 Round Britain Rally on my 350 Bullet. 89 landmarks, 3 months, 9,500 miles.
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bikenut
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PostPosted: 11:12 - 13 Dec 2018    Post subject: cover Reply with quote

Please could you post a pic of the front sprocket, i have my reasons.





Gear selector is borked and that linkage is bent - make sure the gear selector shaft into the engine isn't bent/case cracked etc.

very good point, also the gear lever is broken.
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P.
Red Rocket



Joined: 14 Feb 2008
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PostPosted: 18:55 - 13 Dec 2018    Post subject: Reply with quote

What possibly reason would require you to see the sprocket? its well hidden likely under a thick layer of shit. Laughing
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Riejufixing
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PostPosted: 21:32 - 13 Dec 2018    Post subject: Re: cover Reply with quote

bikenut wrote:
Gear selector is borked and that linkage is bent


What's the "gear selector"?
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JackDG
Renault 5 Driver



Joined: 23 Apr 2013
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PostPosted: 23:11 - 13 Dec 2018    Post subject: Re: cover Reply with quote

bikenut wrote:
Please could you post a pic of the front sprocket, i have my reasons.


I'll get to that this weekend.

Cheers everyone for the advice
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Sister Sledge
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PostPosted: 08:59 - 14 Dec 2018    Post subject: Re: cover Reply with quote

Riejufixing wrote:
bikenut wrote:
Gear selector is borked and that linkage is bent


What's the "gear selector"?


Perhaps I'm being thick but what would you call it?? Gear lever? Gear pedal?
Just curious!
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JackDG
Renault 5 Driver



Joined: 23 Apr 2013
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PostPosted: 17:38 - 16 Dec 2018    Post subject: Re: cover Reply with quote

bikenut wrote:
Please could you post a pic of the front sprocket, i have my reasons.


https://i.imgur.com/Bc6cqE2.jpg

I also realised the center bolt of the flywheel, those nice fillets are actually a result of the stator case mount being pushed onto it as it was spinning. It looks perfectly even and clean so I've convinced myself the shaft didn't get bent... Rolling Eyes

https://i.imgur.com/B9nWHVS.jpg

Managed to turn the wheel with the bike in 3rd and it all seemed good. Gonna give it a proper flush to try and get as many metal shavings out as possible and try starting it up
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BanditsHigh
Worse than a woman



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PostPosted: 21:09 - 16 Dec 2018    Post subject: Reply with quote

^^^ I hope you have a new cover ... if you use that one you'll get oil everywhere Very Happy

Looks like you were lucky the engine didn't get damaged ... been in a similar situation myself a few times Thumbs Up
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JackDG
Renault 5 Driver



Joined: 23 Apr 2013
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PostPosted: 21:50 - 16 Dec 2018    Post subject: Reply with quote

BanditsHigh wrote:
^^^ I hope you have a new cover ... if you use that one you'll get oil everywhere Very Happy


I thought I would be ok just using some instant gasket to put the bits back together?
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Sister Sledge
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PostPosted: 08:55 - 17 Dec 2018    Post subject: Reply with quote

Casing appears to be OK around the selector shaft as far as I can see that is. Are there definitely no hairline weeps of oil from the selector shaft castings? Does look like you've been lucky though.
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Riejufixing
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PostPosted: 12:59 - 17 Dec 2018    Post subject: Re: cover Reply with quote

Fourte wrote:
Perhaps I'm being thick but what would you call it?? Gear lever? Gear pedal?
Just curious!


Yes, gear lever (same as for a car), so no confusion with selector shaft/forks/drum/quadrant/whatever.
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bikenut
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PostPosted: 14:39 - 17 Dec 2018    Post subject: eh Reply with quote

Riejufixing wrote:
bikenut wrote:
Gear selector is borked and that linkage is bent


What's the "gear selector"?


Perhaps I'm being thick but what would you call it?? Gear lever? Gear pedal?
Just curious!

that was not me !
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bikenut
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PostPosted: 14:41 - 17 Dec 2018    Post subject: eh Reply with quote

very good point, also the gear lever is broken. is what i wrote.
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bikenut
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PostPosted: 14:52 - 17 Dec 2018    Post subject: sprocket Reply with quote

Seen that set up for the front sprocket very recently, i wonder where.

Thanks for the pics.

As a matter of interest, does the front sprocket wobble on the g/box output shaft, and, does the sprocket rotate freely, even just a few mm, relative to the g/box output shaft, meaning that the "play" is designed in, or wear on the splines, to clarify a possible problem with a very recent post on this set up.

Does the set up shown "clamp" the front sprocket tightly to the gearbox output shaft so there is no relative movement between the front sprocket and output shaft on drive and over run conditions ?

Gear selection foot pedal broken.

Cant see the connection to the gear selection rod to the short front selection shaft arm.

The short arm may need re positioning relative to the selection "shaft", a spline or 2 so the short arm comes back into better "mechanical advantage".

Have you been having some gear selection problems due to this ?

The rod is adjustable for length, which will effect foot pedal height.
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