1979 Triumph Bonneville 750cc clutch disk replacement Part: 3
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- Опубликовано: 13 сен 2024
- In this video we finish the damper unit and put it back in, then install the new disk set and show how to adjust the clutch and finish it up by installing the primary cover.
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Great series. Any other clutch videos I find seem to skip over the parts I need so this was very helpful
Good video & well explained guys.
I just did this 7 plate conversion on my78 T140, I notice you guys put your plates in dry. I soaked mine in some oil, but I guess it doesn't matter. Mine can be a little grabby in 1st gear and I'm not sure why. I'm going to take the primary off and inspect everything. I'm not sure if I should tighten those three nuts or loosen them a little. Maybe I'll experiment and see what works. I'm guessing the bike will be fine if I ride it around the block a couple times with the primary cover off.
You will make a heck of a mess if you leave that cover off and ride it, because there are 3 small communication holes that oil flows through in unit motors they transfer oil from the engine to the primary and the main bearing is open with no seal and will blow oil everywhere
The driven ( plain ) plates look very burnt.Did you bother to check them for warpage on a flat surface??.
Nice point made, check for warpage, those plain steel plates in this video actually only had less than 10 or so miles on them and yes I checked them for flatness and they were good but accidentally did not show us checking them or mentioning it and I could've steel wooled them to make them look shiny and new again but didn't feel it was necessary,
Try backing the clutch cable off at both ends!!
Hello; thanks but is not showed or clearly how do you managed to torque the nut without moving all the clutch not using kind of a lock device. I had plenty of problems to lock when disassembling may be is easier in the assembling? I really do not remember right now; do you say that only pushing the rear pedal brake and just that?
Yep we put it in 5th gear and I put a bar interlocking the rear brake on but we may not have recorded that exact moment, so, on the rear you can wedge a long bar holding the rear brake on or with two people one can press and hold the rear brake on. That might be what we did and most times we do and also there are tools that are a bar with chain on the end so you can grab the sprocket to hold it still to torque, we made are own and there will be videos coming where we use that tool,
thought you was meant to soak clutch plates in oil over night?
That is a good question and something I did not mention in to detail, Oiling the clutch disks is mostly a manufactures recommendation and a personal preference situation. Like, Barnett Kevlar clutch disk sets require you to pre oil them first, The original cork type require you to pre oil them first, But with this bike we install a Aerco 7 plate conversion kit, this type of disk set has a new friction material. This material keeps the bonded plate from sticking to the steel plate. This special 7 plate kit is not required to pre oil but you do need to clean them first before installation and it is suggested that you can use lighter clutch springs for an easier clutch operation as well, I hope this helps
The Norman Hyde 7 plate kit recommends oiling the friction plates before installation.
Yes so does every other clutch kit I’ve seen . Oh well
Good Day Wondering what springs did you use , 650 ones or 750 ?
650 style that was recommended
Thanks for reply. I was told either 650 springs or 750 springs backed off but I can't find anywhere how much backed off they should be. @@jessesvintagegarage765
Well 650 springs will need to be screwed in until flush or up to 1 thread out, now if you choose to use the old or new 750 springs I'd imagine you could leave those backed out some but how far I'm not sure but they can be flush also and work just fine it's just that the clutch pull won't be as light as with the 650 springs
Are you guys a professional shop? I don’t know where to start with the criticism. I’d be very cautious as a consumer, of bringing a bike for you all to work on.
I'm sorry you feel the way you do about this video or any of the other videos but, no we don't have a Professional Shop we are just a father and son working on our personally owned motorcycles and documenting us working on our stuff. That way we can look back at all the stuff we did together and share with people. I know we should've cleaned the bluing from the steel clutch plates but those plates were not warped and had just 10 miles on them. Those plates were new with that red colored clutch set. Which by the way was the worst set of clutch disks we ever tried! Yes we did check those plates for flatness and somehow got missed in the video. We decided the new clutch disks should clean those steel plates and would work fine. Maybe we should've had them vapor blasted or maybe steel wooled them. But this bike now works just amazingly well. We do appreciate your comment.
What was wrong with the clutch you took out ? Just wondering
@@classiccycleconnection9334 The red disks we had in it constantly slipped no matter how stiff the three springs were or were adjusted. We tried two different spring sets still had the same issues so we decided to try the seven disc clutch and they were solid with no slip at all. I will say the original clutch that was in it when we got the bike the clutch never slipped but the clutch always got stuck badly after just sitting over night even, and had to always break it free before starting it. We just went to the 7 disk set and it eliminated the need of breaking it free and slipping.
I’ve never seen a red clutch like that . strange . Thank you
I stand corrected . Found on Ebay brand name Alto. The set I saw originally sold by Coventry Spares. A very reputable place in the US.
The sticking is many times caused by the wrong oil being used . Must be an oil for wet clutch like for a HD . SFSG rating . Very few clutches these days are very forgiving. The EMGO is one .
7 plate seldom needed. It’s the friction compound , not the # of plates.
50 ft-lb torque is 650cc spec,T140 spec. is 70 ft-lb.!!