left crankcase oil seal

Im attempting to remove the oil seal and my service manual has no info on how to remove the old seal .I removed the 6 bolts holding the seal in place and the 2 ring clips . the plate keeping the seal in place rotates but unable to pop the plate holding the seal in place.I don't want to pry to hard . Do I need a special tool to remove the seal ? Help would be appreciated  . Thanks.

Hi Tinman. First if you are removing the left cover this means that you have removed the clutch brake drum,correct? I would be interested in what manor you used to remove the drum.Second you should be able to remove the seal without removing the cover. By the way the cover has seven bolts.Page 11-3 of the service manual. I'am going to try and find the video,it is in Italian for you to see.   Howard


p.s. Check this out. It may be a 400 but it is the same for the seal. https://www.youtube.com/watch?v=yJqXC7QoaA4

If you are trying to remove the crankshaft seal (behind the variator) then you must remove the entire left side swing arm. Unfortunately that requires that the rear wheel needs to be removed and the left shock unbolted from the swingarm. Don't forget the wires connected to the speedo pulser. The swingarm and pivot bearing along with the final drive gear box come off as one piece.

The crankshaft seal can be popped out with a small screwdriver or some sort of a seal pick. The new seal can be pressed in with your thumb. Be sure to replace that O-ring on the crankshaft too. And take note of how deep the original seal is pressed into the crankcase so that you can put the new seal at the same depth. Otherwise you may have another leak. DAMHIK.

It's pretty much a straight forward job, but awkward handling that swing arm and gear box assembly.

On the other hand, if you are referring to the rear seal, behind the clutch bell, then you'll need that special tool (or creative use of a 6" gear puller) to remove the clutch bell. Also be very sure about the seal that you are ordering. The parts list is very deceiving. Again, take note of the original depth of that seal.

Tim

NWSSC,,Cosmic jumper , the oil seal is behind the variator. I have the O ring and oil seal . 13 4 shows oil seal but not how to remove it .Cosmic jumper ,I need to remove the wheel left shock and the hole assembly comes off to axes the seal from behind .I am replacing the rear tire for a new one ,so I don,t need the special tool ,for now, thank's for the info.

See page 15-4, 15-9 & 15-11 for more swing arm info.

Ok I manage to remove the diff assembly .reinstalling the O ring and seal was the easy part. I manage to reinstall the diff by using the motorcycle lift ,lining up the dowl pin 's to the right swing arm was tricky . Cant do to much until I get my rear tire change tomorrow .45 k kl on the tire. A big THANKS for your help.mike 

I finely reinstalled everything back on .I change the engine oil ,but I ran the engine with rear tire off,. The speed sensor and ABS sensor was not installed in it's place yet. My FI light came on in the dash.After I did the tire change I put everything back in place,went for a test run 5 kl, and my FI light came on and now I have no speedometer  and the odometer stayed on 139 kl. Is there a reset button to reset. I drain the diff oil by the speed sensor hole when everything was remove . I don't know if it means anything. Please give some input .

As they say in the repair business new concerns after a repair are usually relative to the repair. Did you have any problem when reinstalling the speed sensor.Was there any binding when tightening the speed sensor.Is there a pinched wire some where? Page 21-8 to 21-10 of the service manual gives you a fairly good procedure for checking out the system. Howard

It's possible that the o ring might have feel out I will check it out in the morning .When I start the swing the FI light's up then shut's off.the FI light stays off at slow speed with no speedometer .at hwy speeds the FI light up with no speedometer. Tomorrow is another day I will try again. Thanks.

I got nothin. Try removing and reinstalling the speed sensor and inspect the wire and connections

I also have nothing. Try disconnecting the battery for at least a half hour and try again.

I did disconnect the battery, but only for a minute,I will disconnect the battery for 30 minutes. When  I did the engine oil change and ran the motor to fill the oil filter my FI stated to flash,the speed sensor was not connected to the diff . It might need to reboot .with all the other oil change done in the pass there was no need to disconnect the sensor .thanks for all your inputs.When I reconnected the battery I did notice that the odometer had re set to zero , but no speedometer.

I disconnected the battery for a few hours ,and the speedometer did not and when I opened the throttle the motor cut's out,and when I release the throttle it came back on. I will now remove the left side panel and do a meter test .I think running the engine without the speed sensor in it's proper place ripped a relay.

I finely have my swing running.The 16 pin plug in was confusing there is 14 pin and the coloured whirring was confusing and difficulty i identifying the colours,on account of all the dirt.I had a friend  come over and stayed will I was reassembling it together.I must have been distracted and did not tightened the speed sensor, causing the speedo not to register the milage. I will go for a test run this evening. Im a happy again. 

Nice to hear. Nothing better than finding an easy fix to what could be a complex problem.

tinman wrote:

I finely have my swing running.The 16 pin plug in was confusing there is 14 pin and the coloured whirring was confusing and difficulty i identifying the colours,on account of all the dirt.I had a friend  come over and stayed will I was reassembling it together.I must have been distracted and did not tightened the speed sensor, causing the speedo not to register the milage. I will go for a test run this evening. Im a happy again. 

Huh?..You had to do something with a 16-Pin plug to replace the crankshaft oil seal?

My speedometer and odometer was not working.  I was to do system inspection 21 -8  21 -9  in the service manual . After that x OK ,I removed the trike kit and back wheel to retrace my steps.

21-8 is the inspection of the combination meter. There is a 12 pin and 16 pin connector to the combo meter. 21-9 is the speed sensor check. By disconnecting these sensors, voltage probing them, and then reconnecting them, he likely firmed up the connection or the probing process reset the ECU.