Jump to content

Villiers Primaries Advice


Recommended Posts

Hi. I’m embarking in my first Villiers project. This is a Francis Barnett with an 8E engine and 4 speed box. I’m after some advice on gearing and primary ratios, so here goes

- To begin with I’ll be using the standard clutch. I have though about lowering the primary ratio but figure that may introduce some clutch slip. Currently the ‘box of bits’ includes a clutch with 38t and a primary sprocket of 19t. Should I go lower than the 19t?

- Final drive I can go 13t/50t by looking at the Villiers Services shop. Do anyone have problems with chain issues using a 13t? 

- Final one, given the answers above is there any benefit in going low 2nd? Is there something available for the 8E 4-speeder or what I have to convert to a 9E layshaft

A lot there, so appreciate your assistance 

Link to comment
Share on other sites


If the gearbox is the Albion one, your options will probably be limited. For multilap closed circuit trials the 3 speed villiers box is probably better as it's narrower and you can change the ratios with parts from villiers services  Adapting to the later villiers 4-speed box is possible, but not easy

Link to comment
Share on other sites


I run a 9e clutch in my James J9 with an Albion 4speed box, the 9e clutch is a great improvement over the original, it was supplied by Paul Powell of Cotton Villiers services - very helpful.

Link to comment
Share on other sites


Thanks for your comments.  I’m not about to change the gearbox for a while as this one will be an occasional 2nd ride.

I was  just wondering if I drop the primaries ratio down whether I’d suffer some clutch slip. I can see that sprockets are available to go from the 20t to 15t. However when I did this in my Cub I did suffer a little.

The jury is still out on the clutch. I’ve seen the Yamaha conversion along with the 9E mods but before I swallow that pill I’d like to give the std set a try.

  • Like 1
Link to comment
Share on other sites


Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.


  • Create New...