hewson Report post Posted November 5, 2016 Hi people , anybody had any experience with this clutch conversion , i have one fitted to my bike , and it as no feel , either on/off , reminds me of a Montesa 315r i had a few year back , mod was fit motorcross plates and play around with different oil , any tips -mods please ...Cheers Share this post Link to post Share on other sites
ikb Report post Posted November 5, 2016 I fitted one and it's really good, clears fully and has reasonable feel. The clutch i fitted was a second hand ybr 125 clutch but I have dumped the bantam actuator and made my own cam type unit which may help with the feel!? Ian Share this post Link to post Share on other sites
hewson Report post Posted November 5, 2016 Yes Ybr clutch , i'm running standard actuator with longer arm , just no feel ... Share this post Link to post Share on other sites
bikestat Report post Posted November 5, 2016 (edited) the yamaha clutch is very poor as you say on or off no feel at all .i use surflex plates and good condition steel plates with 8 spring set up ,20mm longer standard actuator arm and no return spring .great feel and very light with no slip absolute perfection, many people have ridden the bike and were impressed. Edited November 5, 2016 by bikestat Share this post Link to post Share on other sites
250canam Report post Posted December 11, 2016 Sorry I cant add to the experience bank but would like to ask a question as I have wondered about doing this conversion on my Bantam. I think the gearbox shaft splines need machining, is this correct and does anyone know who could do this for me please? Located in North East Lincolnshire. Share this post Link to post Share on other sites
old trials fanatic Report post Posted December 12, 2016 Sorry I cant add to the experience bank but would like to ask a question as I have wondered about doing this conversion on my Bantam. I think the gearbox shaft splines need machining, is this correct and does anyone know who could do this for me please? Located in North East Lincolnshire. Just buy the complete unit already modified ready to fit from Harry Stannistreet. He will need your old basket btw. 1 Share this post Link to post Share on other sites
250canam Report post Posted December 16, 2016 Thanks OTF. Think I have spoken to HS at various shows. Does he modify the basket splines rather than the shaft splines? We had some concerns that his mod was for the later D10 and D14 motors (possibly four speed boxes) with the needle roller thrust bearing rather than the earlier phosphor bronze washer that I use on my D1, D3 and D7 motors. Share this post Link to post Share on other sites
old trials fanatic Report post Posted December 16, 2016 Thanks OTF. Think I have spoken to HS at various shows. Does he modify the basket splines rather than the shaft splines? We had some concerns that his mod was for the later D10 and D14 motors (possibly four speed boxes) with the needle roller thrust bearing rather than the earlier phosphor bronze washer that I use on my D1, D3 and D7 motors. Sorry i dont know about the D1, D3 or D7 motors as nobody i know uses them so you would have to ask Harry. He does modify the Clutch basket that i do know because i have fitted one to my Bantam "sows ear" project. With the clutch fitted you no longer use the needle roller thrust bearing though. Share this post Link to post Share on other sites
hewson Report post Posted December 17, 2016 (edited) Paul are you sure you didn't use the thrust washers , here is a photo of my clutch before fitting Edited December 17, 2016 by hewson Share this post Link to post Share on other sites
hewson Report post Posted December 17, 2016 (edited) 250canam if you search for Dave clough on facebook Bsa Bantam page , he as put one in his D7 road bike and took photos of the project . Edited December 17, 2016 by hewson 1 Share this post Link to post Share on other sites
old trials fanatic Report post Posted December 17, 2016 Paul are you sure you didn't use the thrust washers , here is a photo of my clutch before fitting Oh that one derr sorry yes of course i fitted that one i thought he meant at the end of the clutch pushrod. Sorry i'm getting senile 1 Share this post Link to post Share on other sites
ikb Report post Posted December 18, 2016 Actuator pictures 2 Share this post Link to post Share on other sites
