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Clutch and gears

Posted by : Neil (92.26.211.144)

Inappropriate or SPAM?
On Saturday 27/08/16 at 22:00:46

It was time to tackle the clutch actuation and gear change. Iâ€˜ve learnt not to take for granted that these components will work well together, and this time was no different. So first thing was to fit a clutch actuation arm to the gear lever shaft and make sure it pointed to the centre of the clutch. If it doesnâ€™t then the gearbox can change gear before the clutch has fully released. As you can see from this pic, mine was not pointing to the centre and moving it one spline made it worse. The next two levers were no better.

So I had to remove the clutch and primary gears etc to be able to try some different gear lever shafts. Fortunately I found one which allowed the clutch actuating lever to point perfectly at the centre of the clutch, but...

...now the arm that operates the gear change drum was no longer central to the pins. If left like this, you can end up having to press the gear lever twice to change gear, miss gears ll together or jump out of gear. So it was back to the spare bits box to find an arm that lined up properly. Success I soon found one. Iâ€™ve shown the three parts that need to be right for a good gear change and clutch operation.

Finally I was ready to put the C70ZZ clutch cover on, well sort of, a standard gasket needs to be cut away to give clearance around the oil pump drive gear:

Just one other bit of advice at this stage is donâ€™t use early 6 volt C50 or C70 Clutch adjusters as they had smaller oil pumps and a correspondingly smaller oil way in the adjuster. If you fit them to 12V models the back pressure caused can cause the cam chain to jump on the oil pump drive sprocket and round the teeth off:

Finally the cover goes on:

Message Thread:

New engine for Scruff Part 2 - Neil Thu 25/08/16 at 00:21:41

Clutching at straws - Neil Thu 25/08/16 at 01:21:07

Nuts - Neil Thu 25/08/16 at 02:45:30

RE: Nuts - Kev Notts Thu 25/08/16 at 04:16:54

Att'n Kev - Neil Sat 27/08/16 at 17:38:15

RE: Nuts - Leiba Thu 25/08/16 at 17:18:44

Att'n - Neil Sat 27/08/16 at 17:39:32

RE: New engine for Scruff Part 2 - nige Thu 25/08/16 at 12:53:39

RE: New engine for Scruff Part 2 - Harry Notts Thu 25/08/16 at 17:25:41

RE: New engine for Scruff Part 2 - Bogger Fri 26/08/16 at 01:51:10
Att'n Harry - Neil Sat 27/08/16 at 17:43:49

RE: New engine for Scruff Part 2 - jammy James Sat 27/08/16 at 03:10:33

Head nuts, washers and torque. - Neil Sat 27/08/16 at 17:57:23

Clutch and gears - Neil Sat 27/08/16 at 22:00:46

RE: Clutch and gears - Harry Notts Sun 28/08/16 at 02:58:11

RE: Clutch and gears - Andrewwoey Sun 28/08/16 at 03:13:07

RE: Clutch and gears - BCP Tue 30/08/16 at 20:59:14

RE: New engine for Scruff Part 2 - Harry Notts Tue 20/09/16 at 02:23:05

RE: New engine for Scruff Part 2 - Neil Sat 24/09/16 at 19:33:03

RE: New engine for Scruff Part 2 - wightegi Sat 24/09/16 at 19:56:16

RE: New engine for Scruff Part 2 - Andrewwoey Sat 24/09/16 at 21:07:59

RE: New engine for Scruff Part 2 - Ironside Mon 26/09/16 at 18:51:46

RE: New engine for Scruff Part 2 - Neil Mon 26/09/16 at 21:44:45
RE: New engine for Scruff Part 2 - Neil Mon 26/09/16 at 21:44:45

RE: New engine for Scruff Part 2 - Harry Notts Fri 30/09/16 at 18:57:51

RE: New engine for Scruff Part 2 - Neil Sat 01/10/16 at 19:57:09

RE: New engine for Scruff Part 2 - jammy james Sat 01/10/16 at 02:13:19

RE: New engine for Scruff Part 2/working indoors - jammy james Sat 01/10/16 at 15:02:40

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