HELP - Gears engage but bike doesn't move


B

Bruno

New Member
Last saturday i went for a ride... I was riding really strong (Fast) with a friend in his honda CB600f hornet and my bike suddenly lost all traction. I still could feel the gears being engaged when moving the rod up and down, but no traction on the rear wheel, like it were on neutral... I didn't check the front sprocket (I only thought about this later), but i'm pretty sure it were still there, but the way chain and rear sprocket were moving when i pushed the bike to the gas station... Any thoughts?
 
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J

JSP

Super Moderator
How does your clutch lever feel? Make sure you have the correct free play in it and its adjusted correctly. Other than that... clutch may have went out?

How many miles on the bike? When was last oil change/service? Check the clutch cable itself and the connection at the clutch itself. Do the 2 dots align still?
 
B

Bruno

New Member
JSP said:
How does your clutch lever feel? Make sure you have the correct free play in it and its adjusted correctly. Other than that... clutch may have went out?

How many miles on the bike? When was last oil change/service? Check the clutch cable itself and the connection at the clutch itself. Do the 2 dots align still?
Click to expand...
Clutch feels normal... Oil is due to change, let's say, 3000 miles...
 
B

Bruno

New Member
Well, i found out what happened, the nut that holds the front sprocket got away and the sprocket moved away from the lock position... Now i have to buy a new nut and washer... I've read on the service manual that it is a M20 nut, but it doesn't say the pitch and if it is inverted or conventional... Does anyone know?
 
C

Chucker

Active Member
I would pickup a replacement from a Yamaha dealer. It shouldn't be expensive, and then you'll now you got exactly the right one. Having the front sprocket come loose is scary sh!t.

By the way, you'll want to use Locktite.
 
C

Chucker

Active Member
B

Bruno

New Member
Chucker said:
I would pickup a replacement from a Yamaha dealer. It shouldn't be expensive, and then you'll now you got exactly the right one. Having the front sprocket come loose is scary sh!t.

By the way, you'll want to use Locktite.
Click to expand...
The Yamaha dealer near me quoted something like $70 for the nut and washer... And i needed to pay and wait 20 days or so...
 
D

dart1963

Super Moderator
Elite Member
I added the part number info to our stickied "how-to" as well. Good to keep that kind of info handy!
 
U

Uno979

Thuper Moderator
Premium Member
Check out Stadium Yamaha. They will ship to you ASAP and give the best deals.


Sent from my iPhone using Tapatalk
 

C

Chucker

Active Member
My Yamaha dealer ordered me one. 2 days and $12.00.
 
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