cam chain sprockets

  • HOGEATER
  • Topic Author
  • Offline
  • User
  • Been riding 2 wheels since 1965,
More
25 Jan 2009 15:29 #260126 by HOGEATER
cam chain sprockets was created by HOGEATER
Has anyone ever had problems with the sprocket on the crank shearing a tooth or wearing down??

Please Log in or Create an account to join the conversation.

  • mark1122
  • Offline
  • User
  • Keep twisting it
More
25 Jan 2009 15:40 #260129 by mark1122
Replied by mark1122 on topic cam chain sprockets
Not me.
That would be tough to do.
76 KZ, frame gusset work,1200CC.Ported by Larry Cavanaugh, 1.5mm.over intakes, Carron Pipe, ZRX12 rear end, and seat,96zx9 front end.
01 CBR600F4i Track bike.
Cobourg, Ont. Can.

~ ~ ~_@
~ ~ _- \,
~ (k) / (z)

Please Log in or Create an account to join the conversation.

More
25 Jan 2009 15:46 #260131 by racer54
Replied by racer54 on topic cam chain sprockets
Yep! Cousin did it. Usually it's because something got between the chain and the sprocket and something has to give. Sloopy chain could do it too if it was left loose enough to bang around against the gear long enough. Doesn't happen often and I would guess it's a rarity but it's obviously possible. That's why they make replacements. It happens as you seem to have found out. Any idea why you ran into this?
1980 LTD (changed over the years), 1979 LTD (being rebuilt), 1977 KZ turbo and various KZ's in various states of build. KLX110

Please Log in or Create an account to join the conversation.

  • HOGEATER
  • Topic Author
  • Offline
  • User
  • Been riding 2 wheels since 1965,
More
25 Jan 2009 16:10 - 25 Jan 2009 16:17 #260141 by HOGEATER
Replied by HOGEATER on topic cam chain sprockets
Is there some way to check the sprocket without splitting the cases? If it is in fact bad then I have a 78Z1000 bored to 73MM for sale and I know the pistons and jugs are worth some coin!!

Or who near NC would split the cases and rebuild for me??
Last edit: 25 Jan 2009 16:17 by HOGEATER.

Please Log in or Create an account to join the conversation.

More
25 Jan 2009 16:31 #260148 by PLUMMEN
Replied by PLUMMEN on topic cam chain sprockets
splitting the cases aint no big deal,and if your building a serious motor i reccomend it anyway just to be safe.B)
Still recovering,some days are better than others.

Please Log in or Create an account to join the conversation.

More
25 Jan 2009 18:06 #260175 by 650ed
Replied by 650ed on topic cam chain sprockets
Is there any way to see it from underneath maybe by dropping the oil pan?
1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)

Please Log in or Create an account to join the conversation.

More
25 Jan 2009 18:57 #260193 by gane
Replied by gane on topic cam chain sprockets
Hog, have seen some wear, but never failure. all things possible, sheered tooth. game over. G
[img][/img] 1977 KZ1000A1

Please Log in or Create an account to join the conversation.

More
28 Jan 2009 08:49 #260640 by jzanutto
Replied by jzanutto on topic cam chain sprockets
you could go from the top with a boroscope..... if you have one....
1978 KZ650B 2004 BMW R1150RT

Please Log in or Create an account to join the conversation.

  • kzz1p
  • Offline
  • User
  • One Test Is Worth A Thousand Expert Opinions!
More
28 Jan 2009 17:53 #260744 by kzz1p
Replied by kzz1p on topic cam chain sprockets
I have seen one brake the crank next to the sprocket. But not sprocket damage.

Please Log in or Create an account to join the conversation.

More
28 Jan 2009 18:00 - 28 Jan 2009 18:01 #260746 by Old Man Rock
Replied by Old Man Rock on topic cam chain sprockets
There may be one way but not as good as splitting the cases for 100% confirmations...

You will need to do the following...

Remove tank, valve cover, exhaust and carbs.
Remove cam chain tensioner.
Remove camshafts and head.
Lift off cylinder (maybe not).

Spread the timing chain as much as possible while viewing with flash light down into the lower case...

Take off the ignition cover and with the 17mm larger nut, slowly rotate the crank a couple of teeth at a time... Rotate completely around while seeing if you can find the broken tooth or worse...

You may or may not get lucky
1976 KZ900-A4
MTC 1075cc.
Camshafts: Kawi GPZ-1100 .375 lift
Head: P&P via Larry Cavanaugh
ZX636 suspension
MIKUNI, RS-34'S...
Kerker 4-1, 1.5" comp baffle.
Dyna-S E.I.
Earls 10 row Oil Cooler
Acewell 2802 Series Speedo/Tach
Innovate LC1 Wideband 02 AFR meter

Phoenix, Az
Last edit: 28 Jan 2009 18:01 by Old Man Rock.

Please Log in or Create an account to join the conversation.

More
28 Jan 2009 18:30 #260749 by keith1
Replied by keith1 on topic cam chain sprockets
Old Man Rock wrote:

There may be one way but not as good as splitting the cases for 100% confirmations...

You will need to do the following...

Remove tank, valve cover, exhaust and carbs.
Remove cam chain tensioner.
Remove camshafts and head.
Lift off cylinder (maybe not).

Spread the timing chain as much as possible while viewing with flash light down into the lower case...

Take off the ignition cover and with the 17mm larger nut, slowly rotate the crank a couple of teeth at a time... Rotate completely around while seeing if you can find the broken tooth or worse...

You may or may not get lucky



that would be the way i would do it.....

Please Log in or Create an account to join the conversation.

Powered by Kunena Forum

Forum Links