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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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Prices
Feb 2, 2022 22:38:56 GMT 1
Post by Tobyjugs on Feb 2, 2022 22:38:56 GMT 1
I'm not surprised i work in the service industry for ships. 30% of the service engineers in my company has covid, so they all have to stay home. This sort of thing is causing lots of problems for some boats that are delayed due to breakdowns.
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Post by Tobyjugs on Feb 2, 2022 22:24:15 GMT 1
Idealy a nice smooth running surface is best as everyone has suggested. Bare's suggestion is not so bad I have a pair of forks which i have adjusted for trackdays etc. They also have rust marks which seem to be a little worse than in your picture. To get around the leaking and damaging of seals etc i polish them with some special linishing cloth (its actually platsic). Its made by 3M and is a 30 micron micro-finishing film. It's very fine but sharp at the same time. Hard to describe the action, you can feel it bite in so i use it with WD40. I cut it into a 20mm wide long strips and give the blemishes a quick polish. It doesnt take much time and removes any high points or edges. Until now i've never had any problems with leaks. Of course this method is just like putting a plaster over a wound. Eventually this paper will remove the chrome, but before that happens i might bend the forks in an off. Toby, have you a link to the cloth please? Try this LINK
I have also used 20 micron but when used with WD40 the grit seemed to fall off. Maybe i have a bad roll. Normally it keeps it's edge for ages I have a few strips which are used a few times a year for cleaning all sorts of metal and rust etc and they are about 4 years old. Ive got the strips hanging on nails
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Post by Tobyjugs on Feb 2, 2022 22:16:09 GMT 1
Last week i saw 38 mm copy Mikuni's making 79 PK on a RGV 250 engine. The owner wasnt satisfied with this and bought a genuine set. The maximum output was the same 79 PK, but the midrange and pickup was better. The fake carbs was fitted with genuine Mikuni jets and also used the fake slide.
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Post by Tobyjugs on Feb 2, 2022 0:05:57 GMT 1
They need to look down the end of a sawn off shotgun if they like wearing balaclavas.
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Post by Tobyjugs on Feb 1, 2022 23:53:25 GMT 1
Just to understand this better your mod was with a standard YPVS rim? Nope, 17" FZR rim, fork lowers yokes etc. The FZR tubes were rusty, so I swapped the tubes from the F2 ones. Bolted into the F2 headstock perfectly, no spacers needed. I suspect the RZ250R used the same or very similar stuff. Old picture here www.dropbox.com/s/8a5fzjdgipkyou3/DSCF1489.JPG Also has the FZR rear end in, so no nasty suspension bushes through the swinger and a 17" wheel. Needed a small amount of work to fit, long time ago now, but new dog bones and maybe a bit of narrowing, but relatively easy. I do like the look of that front wheel.
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Post by Tobyjugs on Feb 1, 2022 18:51:41 GMT 1
It's all in the number 😗 Jack Middelburg. The last privateer to win a 500cc GP. RIP. They made his story into a play or a musical to watch in the theater in Holland a few years back. Nico Bakker made a replica of his bike for the show using a Triumph as it needed to be started on stage. They didn't think it was a good idea to start up a real twostroke
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Post by Tobyjugs on Feb 1, 2022 18:35:19 GMT 1
For what it's worth, I have F2 uppers and FZR 250 2KR lowers. I think all the 35mm Yam stuff of that era swaps around without any issues. So I have a single 320mm disk and 100mm between centre caliper mounts, so a blue spot, or in my case a gold spot caliper bolts on directly. Just to understand this better your mod was with a standard YPVS rim?
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Post by Tobyjugs on Feb 1, 2022 9:39:32 GMT 1
Thats roughly my thoughts as well. I think the operater has to be "Dialled" in to be able to read them correctly.
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Post by Tobyjugs on Feb 1, 2022 9:35:08 GMT 1
How did that work out?
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Post by Tobyjugs on Feb 1, 2022 9:32:15 GMT 1
Hi Rob, that looks like a Hi-Tech track bike!
Does it have exhaust sensors?
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Post by Tobyjugs on Jan 31, 2022 13:08:29 GMT 1
Hi Jim this has been in the back of my mind for a long time, sorry i cant help with info but i always thought it must be possible. I will be watching this unfold with interest.
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Post by Tobyjugs on Jan 31, 2022 10:03:17 GMT 1
Another small modification i made was to the left hand engine side casing. I wanted quick and easy access to the flywheel for visual inspections, so i decided to cut the top round part of the casing off. After a bit of checking i marked where i wanted to cut it. I wasn't sure how this was going to turn out as the round part of the cover has a taper and i was thinking about reducing the height of the casing as well. Whist cutting through the side cover it went a bit wrong and it started to cut it wonky. I was very lucky not to ruin it and after straightening both pieces up i had reduced the height by roughly 3-4 mm. This reduction in height is not much but any lower and the end of the crankshaft would be touching the cover. Due to the taper of the round part of the side cover the end lid is slightly smaller in diameter than the rest of the side cover. You can see this in the picture below, when the two parts are painted black it will be harder to see.
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Post by Tobyjugs on Jan 30, 2022 20:59:34 GMT 1
Welcome to the forum
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Post by Tobyjugs on Jan 30, 2022 15:04:30 GMT 1
Some folk are just happy fitting blingy off the shelf parts to their bikes. Not this one The kill switch you have fitted is a lovely little touch there Great stuff Mr T John. It might be a bit out of period but it is much tidier than having switches next to the tacho.
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Post by Tobyjugs on Jan 30, 2022 14:30:45 GMT 1
+1 Steve is a Jedi Master. Too funny 😆 Thanks for making me laugh, certainly brightened me up after my positive Covid test this morning 😠Steve On a serious note i hope your not too badly affected by the covid.
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Post by Tobyjugs on Jan 30, 2022 14:29:23 GMT 1
+1 Steve is a Jedi Master. Too funny 😆 Thanks for making me laugh, certainly brightened me up after my positive Covid test this morning 😠Steve Hmm does this coincide with receiving a milling machine?
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