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ZN1300 Driveshaft Service | ||
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ZN1300 Driveshaft Service | ||
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Last Update 8/22/08
This page shows what you should do probably about every time you replace your rear tire. Check the grease in your driveshaft spline.
To get my rear wheel off on my ZN1300 without pulling the final drive unit I've always had to
pull the rear brake rotor off for clearance. However, we're supposed to
check the driveshaft spline and
re-pack it with grease on a regular basis. I know a lot of owners have
been in the habit of replacing their rear tire without pulling the final
drive unit because I get parts bikes in all the time where the driveshaft
spline is worn out because it was never serviced. If you swing the rear
brake bracket up on the left side, you can pull the spacer, the wheel and the final
drive unit off all at once.
If you don't want to pull the final drive unit off with the wheel, the wheel will slide to the left and come off but not unless you unbolt the rear brake rotor as it makes contact with the swing-arm before you can slide the wheel far enough to the left to get it off. The 4 bolts that hold the final drive unit in place are very easy to get at so I usually go that route instead.
These splines slide back and forth ever so slightly every time you hit a
bump. Over time they tend to shed the grease off the spline and need to be
greased again. I probably overdid it with the grease in these shots but
this one was bone dry when I took it apart. Be very careful not to
separate the pinion gear when you pull the final drive unit off. Once you
pull those 4 bolts, that whole spline, bearing and pinion gear assembly is loose
and can be pulled right off those 4 studs. If the spline is dry it can
take a lot of pulling on these parts to get them apart. You may need to
pry right between the end of the swing-arm and the front side of this pinion
gear assembly where you see in the right image above, it looks like there's
about a .25" metal spacer.
That 'spacer' is loose in the end of the final drive unit and is really the pinion gear assembly which can be pulled out if you're not careful. Once the final drive unit is off, I always take one of those nuts and find a spacer that I can slip under it and tighten it down on one stud to hold the pinion gear assembly in place. Even if it comes out you can slip it right back in but there is a gasket behind it you don't want to damage and a lot of oil inside this unit. Of course, you can't afford to get any dirt inside either. Once you put all of this back together, it's a good time to check your oil level in the unit.
These final drive units are completely different between the ZN1300 Voyager
shown here and all the other models. I usually pull this splined piece off
you see in the right image and clean and grease it too. On the Z, KZ and
the ZG models, this piece isn't made to come off. Be careful about pulling
these rubber dampers out if you decide you want to clean them up. They
have small tits on the backside that fit through the wheel and hold it in
place. If you try to jerk it out you'll break all those pieces and it
won't go back in and fit nice and tight the way it came apart. david@kz1300.com
NOTE: On these newer browsers I've noticed that they don't always display my large images in full size when you open an image from the thumbnails. Once you click the thumbnail and open the larger image, if you 'mouse over' the image you should see a " + " symbol or some other indicator like a box with arrows usually on the bottom right edge of the image. If you click on the indicator, then the image will expand to it's full size which displays full screen on computers that use a 800 x 600 resolution setting for the monitor. If you click the indicator again it will go back to the smaller image. Some people use a resolution setting of 1024 x 768 or higher on their monitors and for those users the images will appear smaller than full screen in size. You can change your monitor settings easily enough if you desire. Also, the indicator I've noticed is slow to appear even after the image appears to of completely loaded. The indicator in Netscape seems to be a lot faster to display than the one in Internet Explorer.
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