clutch cable

[longmont]

I just had a new clutch put in and everything seemed to be working great. I was out on the track tearing it up let a friend ride it when she came back the cluth cable was way to loose. It wouldent tighten up enough at the lever so I was wondering if it got streatched or maybe came loose in the case. Not real sure please help

[LiftdT4R]

The cable may have strectched or you may have damaged something internally. I know hindsight is 20/20, but I NEVER let anyone ride my bike.

 

This quick way to check whether its the cable or an internal problem is to look below the carbs and and see how much the cable is moving the clutch arm. It should swing no more than 45 degrees or so before the clutch is engaged. A quick fix to get less slack on the cable is to also move the clutch perch out farther on the bars, should get you a little more pull. Failing that you can always just put in a new clutch cable it's like $30 for a new one and that will tell you too.

[longmont]

The cable may have strectched or you may have damaged something internally. I know hindsight is 20/20, but I NEVER let anyone ride my bike.

 

This quick way to check whether its the cable or an internal problem is to look below the carbs and and see how much the cable is moving the clutch arm. It should swing no more than 45 degrees or so before the clutch is engaged. A quick fix to get less slack on the cable is to also move the clutch perch out farther on the bars, should get you a little more pull. Failing that you can always just put in a new clutch cable it's like $30 for a new one and that will tell you too.

could the screw that you ajust in the case have come loose. the spring bellow the carbs is barley moving at all

[LiftdT4R]

could the screw that you ajust in the case have come loose. the spring bellow the carbs is barley moving at all

 

As far as I know there isn't a screw adjustment in the case. The arm your seeing is attached to a half moon shape actuator that will push a clutch rod that moves the pressure plate and clutch in and out, its pretty simple really.

 

The lever arm doesn't have to move much to engage the clutch, I should have said at most 45 degrees. Try moving the arm with your hand manually and see if you can get the clutch to engage/disengage that way.

 

Is the problem that you can't get the clutch to engage or disengage. (If it's engaged the bike will act like its in neutral, if its disengaged the bike will always act as if its in gear). If the clutch won't engage I'd say its cable/cable adjustment issue.

[longmont]

As far as I know there isn't a screw adjustment in the case. The arm your seeing is attached to a half moon shape actuator that will push a clutch rod that moves the pressure plate and clutch in and out, its pretty simple really.

 

The lever arm doesn't have to move much to engage the clutch, I should have said at most 45 degrees. Try moving the arm with your hand manually and see if you can get the clutch to engage/disengage that way.

 

Is the problem that you can't get the clutch to engage or disengage. (If it's engaged the bike will act like its in neutral, if its disengaged the bike will always act as if its in gear). If the clutch won't engage I'd say its cable/cable adjustment issue.

[bansheesandrider]

As far as I know there isn't a screw adjustment in the case. The arm your seeing is attached to a half moon shape actuator that will push a clutch rod that moves the pressure plate and clutch in and out, its pretty simple really.

 

The lever arm doesn't have to move much to engage the clutch, I should have said at most 45 degrees. Try moving the arm with your hand manually and see if you can get the clutch to engage/disengage that way.

 

Is the problem that you can't get the clutch to engage or disengage. (If it's engaged the bike will act like its in neutral, if its disengaged the bike will always act as if its in gear). If the clutch won't engage I'd say its cable/cable adjustment issue.

Yes there is a screw in the case, it is in the middle of the pressure and it runs against the ball, which runs against the pushrod which is what the actuator arm pushes on. It sounds like you could have welded the ball to the pushrod. This happens because the clutch lever is pulled in for to long and/or the engine is held at high revs for to long with the clutch pulled in.You will need to pull the clutch cover and pressure plate and see if the ball will come out of the shaft and if the pushrod is welded to it. If it is, you will need a new ball, pushrod and I would get the adjuster screw from Cascade that has the bearing on it. The Cascade adjuster will prevent this from happening again and it is the easiest one to ajust because it can be adjusted and locked down without having to take the pressure plate off to tighten the locknut. Also, I run Klotz Flex Drive 30 oil in my trans and have never had this problem even with the stock type adjuster. When you adjust the screw make sure there is a little bit of clearance at the actuator arm, technically, Yamaha says to line up the arrow on the arm with the arrow on the case. Good Luck.

[LiftdT4R]

Even if the ball is welded, doesn't the clutch usually work fine though? I've taken apart a few bikes where the ball was wleded to the pushrod, and I know the clutch still worked fine before I took them apart. I think his issue is more a clutch cable/adjustment issue.

[longmont]

Even if the ball is welded, doesn't the clutch usually work fine though? I've taken apart a few bikes where the ball was wleded to the pushrod, and I know the clutch still worked fine before I took them apart. I think his issue is more a clutch cable/adjustment issue.

I tore into it and the screw looked like it was backed out. I tightened it up to where it should be i=and so far it seems to be working. Thanks for the help I really apprecate it