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R/C Tech Forums Thread Wiki: Kyosho Lazer ZX-6 & ZX-6.6 4WD Thread
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Kyosho ZX6.6 New Parts


LA359B Center Mount Set (ZX6.6)
LA375 Center Diff. Gear Set(ZX6.6)
LA375-01 Center Diff. Gear Case Set(ZX6.6)
LA375-78 Spur Gear(48P-78T/ZX6.6)
LA376 Center Drive Shaft (71.5/ZX6.6)
LA377 Center Drive Shaft (79.5/ZX6.6)
LA378 Center Drive Shaft (88/ZX6.6)
LA379 Joint Cup Cover (ZX6/ZX6.6)
UM713B Rear Arms (from RB6)


Options
VVC Blades TFW126
Spare Blades TFW001-01

Manuals:

Lazer ZX6.6 http://www.kyosho.com/jpn/support/in...20ZX6.6_IM.pdf
Lazer ZX6 http://www.kyosho.com/jpn/support/in...ZER_ZX6_IM.pdfhttp://www.kyosho.com/jpn/support/in...ZER_ZX6_IM.pdf

After Market Bodies

http://www.jconcepts.net/shop/silencer-kyosho-zx6-body

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Old 01-11-2017, 05:10 AM   #2056
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Remember that the bevel gears will push each other apart as they load up.
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Old 01-11-2017, 05:14 AM   #2057
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Remember that the bevel gears will push each other apart as they load up.
The diff itself feels good just the front and the rear have a little tightness but I'm just going to let the gears wear and mesh together and see what we have after a pack or two
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Old 01-15-2017, 09:58 AM   #2058
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anyone destroying 6.6 spurs ? mesh is right yet some flex seems to be happening out on the track and its putting flat spots on my spurs in less than a battery's run
Yes, I have destroyed two. Can't even get one run in on the car. The center diff quality is terrible
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Old 01-15-2017, 03:20 PM   #2059
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Yes, I have destroyed two. Can't even get one run in on the car. The center diff quality is terrible
it tends to be in one spot on the spur, which would indicate a random moment of tight mesh/flex. not sure how its happening with the 'HD' chassis.

as pictured on the previous page, im now running a top deck. yet to test it though.
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Old 01-15-2017, 08:11 PM   #2060
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Yes, I have destroyed two. Can't even get one run in on the car. The center diff quality is terrible
Weird I have a mod zx6 and a 13.5 zx6 and haven't had any issues with spurs. I do take my sweet time to get the mesh perfect though.
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Old 01-15-2017, 11:03 PM   #2061
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Weird I have a mod zx6 and a 13.5 zx6 and haven't had any issues with spurs. I do take my sweet time to get the mesh perfect though.
Never had an issue with my zx6, only now with the zx6.6. Different spur gear obviously
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Old 01-15-2017, 11:11 PM   #2062
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Put on a pinion one tooth bigger than you want. Push the mesh up firm and
tighten the mount screws. Loosen the setscrew on the pinion and slide it off
and then install the one tooth smaller. That's about as tight a mesh as you can
with 48p.
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Old 01-16-2017, 05:14 AM   #2063
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Do you have any vertical movement on the centre diff / slipper assembly when everything screwed up?

If so you can run a small grub screw down each hole in the top cap to JUST touch the bearing, that will stop that.

My ZX6 has a lot of running on it and is still perfect but my previous ZX5FS2sp needed the grub screws to prevent this movement.

I've put at least 50 packs through my centre diff and all teeth perfect.
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Old 01-16-2017, 01:27 PM   #2064
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zero vertical movement. its really quite odd. gonna try it with the top deck.
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Old 01-16-2017, 03:39 PM   #2065
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I Am running 300k center diff fluid like tebos setup sheet calls for. Could that be part of it? Too much force on the spur gear to turn it over?

I might try 100k diff fluid
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Old 01-16-2017, 03:42 PM   #2066
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I Am running 300k center diff fluid like tebos setup sheet calls for. Could that be part of it? Too much force on the spur gear to turn it over?

I might try 100k diff fluid
im running 500k.. maybe thats it !
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Old 01-16-2017, 04:02 PM   #2067
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Originally Posted by vikingen View Post
im running 500k.. maybe thats it !
If you guys are running gear diffs and heavy center diff fluid you'll probably need to be careful about landing on power. If both the front and rear tires have great traction on landing a jump and you're on throttle that power has to go somewhere. When running a slipper you could withstand that easily but with a center diff you on have a few plastic teeth on the spur to absorb all that kinetic energy.
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Old 01-16-2017, 04:26 PM   #2068
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edit : getting some 200,000cst and 300,000cst methinks

Last edited by vikingen; 01-16-2017 at 04:48 PM.
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Old 01-16-2017, 09:10 PM   #2069
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Never had an issue with my zx6, only now with the zx6.6. Different spur gear obviously
Should have been more clear they are both 6.6s running the CD with no spur issues but like I said I take my time on the mesh. It isn't as easy with the mount the way it is as it wants to move when tightening the top screw.
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Old 01-17-2017, 04:55 AM   #2070
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I Am running 300k center diff fluid like tebos setup sheet calls for. Could that be part of it? Too much force on the spur gear to turn it over?

I might try 100k diff fluid
I've run up to 1.5mil CST on dry astro & carpet with no issue other than a slipepr definitely being faster.

300k-500k on wet astro.
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