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Post by Tobyjugs on Feb 14, 2022 20:42:09 GMT 1
Hi Im having brake issues, braking is very noisy know, we have change pads everything has been clean anti zedd also applied. Any ideas? Have you found the root cause?
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Post by Tobyjugs on Feb 14, 2022 20:40:34 GMT 1
I have some Triumph calipers now and not sure what to say.
One fits well with the disc in the center and the other doesn't fit very well. The badly fitting caliper could do with moving in towards the center of the wheel or the disc needs shimming out. I would say 1.5-2mm.
Im going to measure up the surface area of the pistons and have a look at my notes to see if i have a master cylinder to match from previous experience.
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Post by Tobyjugs on Feb 14, 2022 18:53:35 GMT 1
I balanced them using the two tickover screws and then using the windows to sync the slides.
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Post by Tobyjugs on Feb 14, 2022 15:19:55 GMT 1
I balanced a set of carbs once using the two holes from the balance tube. It worked well but when I reffited the balance tube and started it idle was over 2000 rpm. Just a heads up.
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Post by Tobyjugs on Feb 14, 2022 15:00:34 GMT 1
I never bothered on mine, just used the standard helical gears Know what you mean about gearing, I've got 17/41 with 17 inch wheel and it's under geared I have a 39 to go on the rear which I haven't tried but I may just buy an 18t offset front sprocket Steve I've tried allsorts of gearing on my 400cc engine and ended up with the 17/41 using as set of Nova primary gears. I liked the combination as top speed was enough and I prefer the acceleration. The same engine is now running with the dry clutch the straight cut primary gear ratio is 2.53/1 with 16/41 sprocket set up. This is woefully tall. I don't have a Speedo but I estimate around 80 mph for 6.500 rpm.
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Post by Tobyjugs on Feb 13, 2022 12:36:59 GMT 1
Lovely bike. Was there a specific reason for changing the radiator?
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Post by Tobyjugs on Feb 13, 2022 11:23:21 GMT 1
Jon i have used the following,
Nova Gears: Super finished with a tooth clearance of 0.20mm. Good quality as expected but customer service can be excellent or crap as experrianced by me and others. Plug and play.
Norbo's Gears: I'm not sure if they are superfinished or just well made from the off. Tooth clearance is a bit sloppy at 0.24mm. This set is the most abused set of primaries i use. Currently fitted to a big bore engine with no signs of deteriation. Cheaper than Nova Gears and fantastic customer service. Pay attention to the clearance of the water pump thrust washer and the crank primary.
Liberty Gears (USA): Not used them much, not so keen on chunky crank primary gear. Off the top of my head i think the crank gear is higher than a standard crank gear.
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Post by Tobyjugs on Feb 11, 2022 10:48:24 GMT 1
Thats a very good idea to get the suspension sorted along with chain run before you get those pipes done. I've seen a pipe builder send two people away because there was not enough room to make the pipes correctly. I would imagine the pipes will have a bit of "gurth" as well
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Post by Tobyjugs on Feb 9, 2022 0:00:36 GMT 1
Maybe it's also to do with the disc's fitted. A freind who seems to be always on the internet lately has sourced some calipers for me. When i recieve them i will know for sure.
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Post by Tobyjugs on Feb 8, 2022 22:34:35 GMT 1
I thought the fingers looked a bit strange.
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Why ???
Feb 8, 2022 22:24:06 GMT 1
via mobile
Post by Tobyjugs on Feb 8, 2022 22:24:06 GMT 1
I would say why not.
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Post by Tobyjugs on Feb 8, 2022 22:10:48 GMT 1
Off the top of my head i think M5 with a 0.5mm pitch. Maybe loctite is used instead of jis
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Post by Tobyjugs on Feb 8, 2022 22:06:08 GMT 1
Sorry but not sure if this has been posted here before, but if it has my appolgies. MV’s water-cooled boxer-4 – the hush-hush project of the mid-‘70s intended to keep 4-strokes in the 500 GP hunt. With electronic ignition and fuel injection planned, the narrow flat-4 showed promise – only to be consigned to history’s ‘what if, pile when the factory quit racing. Best regards Johnny C Thats an interesting layout. In the picture it looks likes like the cyliders are not diametrically opposite.
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Post by Tobyjugs on Feb 8, 2022 21:49:12 GMT 1
Is there enough clearance where the disc runs through the slot in the caliper halves Can you raise the front wheel and give it a spin You have just confirmed what i have measured on a Tiger with 83mm spacing. I measured that the discs from a 350LC would not sit in the center of the groove. i worked out roughly 1mm clearance on the inside of the caliper. All what i measured was on a bike so even though i measured it umpteen times i put it down to my inaccuracies due to all being built up and no one mentioning it on the other thread i picked up on.
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Post by Tobyjugs on Feb 8, 2022 21:29:39 GMT 1
good to see you are still progressing with the bike , that Suter rear master looks trick , i remember wanting a swingarm from them for a KTM and it was over three and a half grand 15 years ago mart I wanted a rear master cylinder with a built in resevoir. If all the specifications are correct then the Suter is cheaper than a Brembo for the same spec. That's a crap excuse as i really wanted one for the NAME, The funny thing is i've seen pictures of the MMX 500 used in the IOM TT and it uses a Brembo and not their own make
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Post by Tobyjugs on Feb 8, 2022 21:19:10 GMT 1
Have you checked the tightness of your disc bolts to your whwel rim?
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Post by Tobyjugs on Feb 6, 2022 23:12:43 GMT 1
Whats next after this bike a 1 cylinder???
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Post by Tobyjugs on Feb 6, 2022 15:39:22 GMT 1
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Post by Tobyjugs on Feb 6, 2022 14:46:22 GMT 1
NK just uses a peg into one of the machined recesses Steve This is good idea. Maybe a sliding pin in the brake lever slot which can be tightened.
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Post by Tobyjugs on Feb 6, 2022 10:27:40 GMT 1
Hi Rob, well spotted.
At the moment it all works but is a comprimise. The lever that is attached to master cylinder pushrod is at that angle so that it hits the expansion chamber and stop the push rod from falling out the rubber boot. If that happens there is no brake anymore.
Another idea i have is to make a small "L" bracket that can be adjusted in height and tighten it to the back of the rearset. I just don't want to cut into the rearset (Fugly).
Ideally it would be nice to have the push rod connested to the master cylinder as you mention,
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Post by Tobyjugs on Feb 6, 2022 9:47:42 GMT 1
RD engine factory
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Post by Tobyjugs on Feb 6, 2022 9:31:05 GMT 1
I have some triumph calipers, HH pads and an FZ1 master cylinder on my F1. A really big improvement and about perfect for the weedy stock forks. Thinking about switching it out for an FZR250 2KR front wheel with that massive single front disk. My 1KT race bike had a similar setup and worked great with loads of feel, lap after lap. Yes i really like that idea.
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Post by Tobyjugs on Feb 6, 2022 9:30:28 GMT 1
Its not always easy to tell, not everyone likes the same with brakes. Some like short travel and sharp take up, some like lots of lever travel and more feel. some like me dont use the rear very much so rely on good fronts, but that also means good front tyre and forks etc. Anyway, The bike in question hasnt travelled very far with the triumphs fitted and in that time its had the OEM 5/8 master and also a brembo 18/19 (i think) radial from an RSVR Mille R thing. I think its very different in feel between those and that you can do a lot with a master setup to get more of less feel/pull etc. I have the OEM 5/8 now and I quite like it, but feel could be improved I think. I like messing with the feel of brakes to get something I like the feel of, but this system feels less vicious to me than the all Brembo setup from the RSVR on RGV forks on a ypvs for example. I also think it was a bit more bitey than the triumph 6 pots on my RGV forked LC, but that has a mix of hoses and a 14mm master which was much nicer to me than the 5/8 i had previously. I think its all about balance really. I do think if you were racing you could get away with one brake caliper on an RGV fork/wheel setup with brembos to save weight, but i think with the small disks and triumphs on the ypvs that its ok for road use. I have a mate who fitted one 6 pot tokico to his ypvs on an early R1 (i think) disk and loved it. no idea on master tho. I have another mate with Triumphs and 5/8 master and loves them on his N1. Others have fitted them and liked them so i think its a good combo. Interested to hear what you think. HTH Tony. Hi Jon ive messed around with the sizes of master cylinders before and it can make quite a difference. I like a 13mm master cylinder for the standard calipers.
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Post by Tobyjugs on Feb 6, 2022 9:18:21 GMT 1
Could you not get a bit welded on the rear of the brake pedal in front of the pivot so it rests on the under edge of the hanger bracket? Steve Hi Steve i never thought about that. These levers are a slighgtly other colour so i expect they are anodised. Still better than my spring idea.
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Post by Tobyjugs on Feb 5, 2022 21:58:08 GMT 1
Check you have a good earth between engine and frame.
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Post by Tobyjugs on Feb 5, 2022 9:07:53 GMT 1
I still hadn't fitted an expansion tank as i keep imming and amming where i need to put it and also what i was going to use. In the end i decided to use a sample bottle that we use for collecting engine oil. This was a little bit big but it was ok. I decided to heat the back of the bottle up to make it flat so i could put it next to the radiator. I started to gently heat it up and it started to turn from white to clear. I stopped heating it but shortly after a big bubble appeared in the plastic and just burst. Bugger. With that plan dashed i statrted to think about a plan B. A couple of days later whilst tidying up i found a bottle of nail remover. The bottle was a better size although i thought the top was a bit small. Anyway i don't need nail varnish remover so a second attempt was made at deforming the bottle. This time very caustiously i managed to deform it. The bottle being smaller did help. With the lable removed i fitted it to the bike. The only thing i have to do is stop the brake pedal from lifting too high. This is easy to fix with a stop but i just can't think of a solution which doesn't look like engineering from a "Victorian Bridge Engineer" I dont want to start drilling holes everywhere in the Bakker rearsets. If anyone has any ideas please post them up. At the moment a spring is on the top of my ideas list.
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Post by Tobyjugs on Feb 4, 2022 13:02:41 GMT 1
I always like a lot of front brakes but yes some of these 4pots can be overkill and 1 side would be more than enough in most riding. What do you think about the Triumph setup?
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Post by Tobyjugs on Feb 4, 2022 11:57:41 GMT 1
Another question for those using this upgrade is how effective are they.
To be honest i've never had a problem with the original set up you just have to adjust yourself to squeeze harder on the lever, and vice versus with modern brakes.
The R6 setup on my LC is brutal and i often think about going down to one disc. With this setup it's always in the back of my mind that if i panic brake just a bit im off. I have tried tried to use one finger on the lever but this always feels wrong and uncomfortable. I use the 3rd and fourth fingers. On a standardish 4LO set up i use all four which feel more natural to me.
Peoples front braking habits might be a bit off topic but i would be very interested to hear about other peoples methods and opinions.
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Post by Tobyjugs on Feb 4, 2022 10:28:36 GMT 1
Thanks for the answers Chaps.
Jon I've read your site a few times but missed that section.
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Post by Tobyjugs on Feb 3, 2022 12:41:49 GMT 1
I've just dug this old thread up as i am thinking about using these Trumph calipers. Can anyone tell me if there are more models of bike that are using the same calipers?
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