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Post by lcowner on Oct 30, 2010 14:11:51 GMT 1
got a set of blue spot calliper brackets of nk racing and very nice they are too .they look top class when i fiited them i noticed that they are very close to the wheel.i mean less than 0.2/0.3mm has anyone a set fitted and are they this close on their setup??i have standard forks and std wheels on my 4lo
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Post by soccersmyth on Oct 30, 2010 14:28:42 GMT 1
Looked at your pics Paul.
Do you mean the back of the R1 caliper is close to the spokes of the LC wheel ?
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Post by lcowner on Oct 30, 2010 14:40:32 GMT 1
yeah thats what i mean john have u set fitted?
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Post by mellow on Oct 30, 2010 18:06:56 GMT 1
ive got 3 on my bike fit perfectly but then again it is an R1 ;D
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Post by soccersmyth on Oct 30, 2010 23:28:09 GMT 1
yeah thats what i mean john have u set fitted? No. I'm a long way from brakes but it will be nissans on the RGV usd. As for your probs. I can only assume this is ok (the tight gap) Before you do anything, Run your problem by nigel (kimber) There is a few bodge jobs you could do to get caliper away from wheel. BTH. you should not have to go down that road after paying good money(no doubt) .
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Post by lcowner on Oct 31, 2010 16:50:58 GMT 1
here ya go its a tight fit but there not rubbing .........
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Post by winnerevo1 on Oct 31, 2010 17:43:35 GMT 1
If you ask me, the clearance looks way too small. How is the caliper centred with the disc, even?
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Post by 1260dave on Oct 31, 2010 17:44:36 GMT 1
Are they ok when the brakes are applied if so no worries, are you using the lc master cylinder, ive got some r1 calipers on the way
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Post by lcowner on Oct 31, 2010 18:01:22 GMT 1
yes m8 using lc master cylinder,dunno bout when brakes are applied because i have to blead them
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Post by soccersmyth on Oct 31, 2010 21:12:33 GMT 1
Paul. That looks scary.
Before you ride that.
Ring nigel and email him them pics.
Safety first lad.
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Post by 1260dave on Oct 31, 2010 21:19:29 GMT 1
i fitted a lockheed conversion to my lc in the mid 80's the clearance's on those made me raise an eye brow at the time
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Post by lcowner on Oct 31, 2010 22:27:50 GMT 1
it scares me aswell m8!!have emailed nk piccys to see what he thinks...............as said im a bit worried when i pull the brakes will they ever so slightly deflect???i dunno if it wud deflect?
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Post by lcowner on Oct 31, 2010 22:29:30 GMT 1
If you ask me, the clearance looks way too small. How is the caliper centred with the disc, even? hard to tell m8 until i have the brakes blead proper and i have plety pressure built up on lever
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Post by lcowner on Oct 31, 2010 22:47:12 GMT 1
is there any one on here who has this brake conversion done to see if there are the same as mine?
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Post by lcowner on Oct 31, 2010 23:13:40 GMT 1
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Post by lcowner on Nov 1, 2010 9:52:18 GMT 1
bit of an update this is what nigel is saying from an email he sent me this morning ,i will have to check this out later today -
Paul, the calipers on that conversion have always run very close to the spokes of the wheel, by the look of the picture there is slightly more room on one side than the other, this maybe the picture fooling the eye or maybe that the wheel is not quite central. I've done over 50 sets of these brackets and although they run close they shouldn't be hitting the spokes. The paint finish on the spokes? Is it powder coating? is it quite thick? Can't tell from here. How do the calipers sit on the discs are they reasonably central in the pad groove? When the wheel is put into the front end is there a small gap between the fork legs that is removed when tightening up the spindle, or is the wheel a reasonably tight fit on the speedo drive and spacer? Could be the wrong front wheel spacer if that's the case? don't know, difficult to tell from here. But like I say, I've done over 50 sets like this, they all run close, but shouldn't be hitting. Nigel
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Post by winnerevo1 on Nov 1, 2010 10:57:35 GMT 1
As per my first post the first thing to check is how central the caliper is to the disc. I know i'd be wanting a lot more clearance than that.
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Post by lcowner on Nov 1, 2010 16:14:28 GMT 1
As per my first post the first thing to check is how central the caliper is to the disc. I know i'd be wanting a lot more clearance than that. ok had a good look at them today- yes m8 there not exactly central .what does this mean ??im using the gen yam spacer on rhs and gen yam speedo on other ..............mite shim both sides with washer and that should bring callipers so that discs are spot on central and also that would bring the callipers(and bkts for that matter) away from wheel only bad point is that i be ''forcing fork'' legs a bit apart to get washers in there.............. ,would doing this create another problem that i dont need wit this bike right now?? what do you's think
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Post by lcowner on Nov 1, 2010 19:45:17 GMT 1
put a washer on each side of the inner forks at bottom.i know this will splay forks out a bit which is not ideal as the callipers mightent be square against the discs but now the discs r sitting near dead centre in the callipers and there is a noticable gap between the spokes and callippers .......wont know for sure if this will work until the next sunny day ;Dsee how braking works out if this doesent work i'l have to machine the calliper mounts or the nk brackets down 1.5-2mm on each side,probably callipers wud be the handiest ::)not what i planned for but what can i do problem is that yamaha tolorances 30 years ago wer a lot to be desired and every bike is slightly different my nk brackets would probably fit other bikes but i have to be the unfortunate 1 that they wont thought i had my 4lo finished done and dusted all i want to do is ride the thing now, after 2 years and a ball of money spent now i noticed that my fork seals need doing now aswell i am having a BAD DAY................ ;D ;D ;D ;D ;D
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Post by twostroker on Nov 1, 2010 19:59:35 GMT 1
ive seen car break calipers machined down to clear the wheels so surley it would be possable to shave a few mm from the rear of your calipers for peace of mind?
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Post by lcowner on Nov 1, 2010 20:03:50 GMT 1
yes m8 thats what i think i'l do now.im gunna take washers out n do that i dont need any more f**kin problems with brakes ;D cheers
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Post by mellow on Nov 1, 2010 20:12:16 GMT 1
take em off m8..........ya dont need em brakes are for pussies ;D
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Post by lcowner on Nov 1, 2010 21:28:01 GMT 1
he he he
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Post by lcowner on Nov 1, 2010 21:28:44 GMT 1
callipers away getting machined 2mm off the mounting holes........
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Post by winnerevo1 on Nov 2, 2010 0:54:38 GMT 1
callipers away getting machined 2mm off the mounting holes........ Not being funny, but i'd be machining the caliper brackets. Doesn't really make much odds as both will do the same thing, but.....the brackets should have been made to ensure a standard caliper is positioned correctly. I just wouldn't be keen on removing material from a cast caliper.
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Post by Norbo on Nov 2, 2010 6:27:04 GMT 1
They may look close but if you have powder coat on the wheels this will add a few mm making it look worce. i have a s et fitted to a bike ill take a pic today and post it up . It doesend matter how close they look so long as they dont rub ofcourse . The ones on my bike are all so very close.
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Post by lcowner on Nov 2, 2010 9:45:10 GMT 1
prob be powder coat aswel put on thickly.........as for machining brackets i wud have had to send them back to uk ,and nk dident sugest that to me so prob be more money!machining callipers shud be ok as they ar machined in factory for a flat spot where the mounting holes are m8...........i thought wen i payed £90 for bkts i wud just bolt these on but its like a lot of other things with these old classics tolerances arent ideal and leave a lot to be desired.tbh i did'nt think they would be as tight a fit when i decided to to this mod but anyway i have to say they will look the dogs wen there on and working and i t will be another story added to my lc build ;D cheers lco yes norbo they wer rubbing although ever so slightly, but i dident notice this until i had a really good look.............
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Post by winnerevo1 on Dec 21, 2010 21:04:14 GMT 1
What master cylinder are you going to use? Will the standard one have a large enough piston area?........... Find out what size an R1 master cylinder is first, might be the same size as a standard LC. RGV 4 pots use the same size master as LC, 5/8 off the top of my head. A standard LC one would probably do even if a different size, would probably just mean a different amont of lever travel/force.
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Post by winnerevo1 on Dec 21, 2010 23:34:29 GMT 1
I think the R1 has a 16 mm master cylinder piston. Close to 5/8 then (15.8mm)
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Post by willieeckerslike on Dec 22, 2010 12:11:26 GMT 1
I don't have blue spot calipers on mine, I used a set from a fireblade with one of nigels brackets. Mine are exactly the same.
They run very close to the disk and wheel. I have had no problems and have done thousands of miles and hundreds of laps on trackdays.
1illie
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