Bike wont start. - 600RR.net
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post #1 of 19 (permalink) Old 04-10-2019, 01:41 PM Thread Starter
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Bike wont start.

Bike: 2007 CBR600rr
Got into an accident with the bike and hitting the starter only results in a click. The dashboard reboots and no start.
Here's what I've already tried:
-Charging the battery
-Direct 12v to battery
-Replace oil
-Checked relay fuse
-Direct 12v to starter (would make a clunk then stop)
-Push start the bike going around 10-12mph (rear wheel would lock)
I've linked a video of my push start attempts.
Any help is much appreciated

07' CBR600RR currently at 6,800 miles
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post #2 of 19 (permalink) Old 04-10-2019, 03:49 PM
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Sounds like something is stopping the engine turning over.
I'd be weary of doing any more push starts until you figure it out as you may damage it further.

Can you tell us which side and how the bike fell on? This might help us develop some theories about what is wrong.


My thinking is that the starter clunks once as it attempts to turn the crank as it engages but something is locking it up.

I assume you're starting it in neutral with the clutch in and still only getting a single click. I dont think the gearbox is locked up as it only locks up once you release the clutch and bring the crank into play.

Bike fell on its left side: Stator, gear lever, clutch - damaged in someway
Right side damage: Cam chain, cam chain tensioner, clutch

Did you notice anything wrong with the oil change? i.e. flakes/bits of metal in the old oil

Last edited by Diefenbaker; 04-10-2019 at 04:15 PM.
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post #3 of 19 (permalink) Old 04-11-2019, 12:25 AM Thread Starter
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Quote:
Originally Posted by Diefenbaker View Post
Sounds like something is stopping the engine turning over.
I'd be weary of doing any more push starts until you figure it out as you may damage it further.

Can you tell us which side and how the bike fell on? This might help us develop some theories about what is wrong.


My thinking is that the starter clunks once as it attempts to turn the crank as it engages but something is locking it up.

I assume you're starting it in neutral with the clutch in and still only getting a single click. I dont think the gearbox is locked up as it only locks up once you release the clutch and bring the crank into play.

Bike fell on its left side: Stator, gear lever, clutch - damaged in someway
Right side damage: Cam chain, cam chain tensioner, clutch

Did you notice anything wrong with the oil change? i.e. flakes/bits of metal in the old oil
Oil looked good. Bike flipped end over end then hit a tree so 360 damage. I'm going to try and remove the starter and see if it will turn when not connected to the bike.

07' CBR600RR currently at 6,800 miles
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post #4 of 19 (permalink) Old 04-11-2019, 12:26 PM
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Quote:
Originally Posted by Reconrider View Post
Oil looked good. Bike flipped end over end then hit a tree so 360 damage. I'm going to try and remove the starter and see if it will turn when not connected to the bike.
For confirmation, in your video is it locking when you release the clutch or when you put it into gear (select 1st/2nd with foot)? Its hard to tell.


Sounds bad. :-( Hope you're ok?

The starter sounds a good starting point.

I thought of something else you can do to confirm my theory. With the spark plugs removed you should be able to remove the cover on the right hand side of the block (assuming the 07 has one)revealing the end of the crank. This will allow you to turn the crank with a drive and socket. With the plugs removed it should turn very easily. If there is any resistance stop as you know something isnt right.

I tried looking closely on your video but its hard to tell where the damage is on the block. If you posted a picture of each side of the engine, forum members might be able to suggest whats stopping the engine turning over. I still think its a mechanical issue.

Last edited by Diefenbaker; 04-11-2019 at 12:37 PM.
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post #5 of 19 (permalink) Old 04-17-2019, 01:59 PM Thread Starter
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Here are two photos.
I'll try the spark plug thing later in the week.
Really lost with this, new to motorcycles still.
Im alright from the crash luckily.
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07' CBR600RR currently at 6,800 miles
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post #6 of 19 (permalink) Old 04-17-2019, 02:20 PM
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Thanks for replying Recon. Pics are coming through a little small. Do you have a bigger version?
Looks like the sliders took a whack. Is it possible they have twisted and pushed something into the block in such a way that it interferes with the engine?
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post #7 of 19 (permalink) Old 04-17-2019, 11:39 PM
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motor doesn't look like it took any damage.

maybe hydraulic lock?

try to rotate as above, then pull spark plugs and try again?

HTH!

.
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post #8 of 19 (permalink) Old 04-18-2019, 01:34 AM Thread Starter
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Here are high-res pics:
https://flic.kr/p/2ebncJr
https://flic.kr/p/2fzgDpM

Frame sliders are not pushing into anything. they did their job quite well actually.
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post #9 of 19 (permalink) Old 04-18-2019, 01:34 PM
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motor is unharmed.

pull spark plugs and try turning motor over.

GL!
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post #10 of 19 (permalink) Old 04-19-2019, 01:26 PM Thread Starter
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Ok thanks.
Will post again once I get that done.
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post #11 of 19 (permalink) Old 04-25-2019, 12:02 PM Thread Starter
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So i bench tested the starter and it worked flawlessly. So the engine is seizing up somewhere.
Kind of lost atm.

Could you guys elaborate on how to do this

Quote:
Originally Posted by Diefenbaker View Post

I thought of something else you can do to confirm my theory. With the spark plugs removed you should be able to remove the cover on the right hand side of the block (assuming the 07 has one)revealing the end of the crank. This will allow you to turn the crank with a drive and socket. With the plugs removed it should turn very easily. If there is any resistance stop as you know something isnt right.
Im still confused on what exactly I'm testing out.

Thanks for all the help!

07' CBR600RR currently at 6,800 miles
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post #12 of 19 (permalink) Old 04-25-2019, 01:27 PM
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Your making sure the motor will rotate freely. From the video you posted trying to pop start it, it's behaving as though something is internally holding the motor from rotating. By taking the spark plugs out you won't be fighting the compression stroke while rotating the crankshaft by hand. Do that and report back!

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post #13 of 19 (permalink) Old 04-25-2019, 02:20 PM Thread Starter
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Got it.
Thanks
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post #14 of 19 (permalink) Old 04-25-2019, 02:24 PM
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Here is where the cap is located on the right hand side of the engine.



This is what you'll find beneath it.
The end of the crank. Rotate this bolt and feel for any resistance (making sure the spark plugs have been removed).
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post #15 of 19 (permalink) Old 05-11-2019, 05:51 PM Thread Starter
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So I attempted to take out the spark plugs this morning but failed to do so. I dont have the correct tools to get them out and i spent around 2 hours trying to get one out. What are my options from here? The engine is most likely seized so should i buy a new engine and have a mechanic swap it out for me or rebuild the engine?
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post #16 of 19 (permalink) Old 05-12-2019, 01:53 AM
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no, buy the right tools, get the correct manual......use your hands.

getting this one running is way easier than swapping motors.

follow advice above and then post again.

get smart and dig in....?
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post #17 of 19 (permalink) Old 05-12-2019, 03:02 AM
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I'm with tary on this.
Get the right tools and after a bit of research have another go.

Plenty of videos on youtube to assist.
https://www.youtube.com/results?sear...ge+spark+plugs
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post #18 of 19 (permalink) Old 05-12-2019, 03:09 PM Thread Starter
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Haha alright, thanks guys. Ill power through it
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post #19 of 19 (permalink) Old 05-12-2019, 07:30 PM
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Good luck and keep us posted!
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