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Post by philip on Aug 9, 2020 6:12:20 GMT 1
I have searched for a rear wheel for my LC350 as the 1.85 rim is very narrow, I have been told that the rear wheel from a Yamaha XJ 550 1990 model with the 2.15 rim will fit with little modification and will also match the italic front wheel.
Has anyone done this wheel change?
Thanks for any infor.
Philip
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Post by JonW on Aug 9, 2020 7:40:32 GMT 1
I have one here. it will work i think but ive never put it in the bike. You will need its cush drive and maybe also try to find one with the brake backplate as well as the brake shoes are wider, tho the LC one will work I reckon. If you use the full XJ rear brake it might be too much perhaps?
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Post by dusty350 on Aug 9, 2020 7:54:03 GMT 1
Another thing to consider is tyre size on the bigger rim. The Lc swingarm gets quite narrow near the frame pivot, and you may lose some of your range for wheel adjustment. I've never tried it to be fair, but it may be something to think about. And you will gain weight in the bigger wheel and tyre - I wonder if that will have an affect regards the bendy Lc swingarm ? I did fit a 120 to an Lc wheel but never rode the bike enough to know how it affected handling, but the general consensus at the time was to stick to standard tyre sizes so as not to upset handling. Dusty
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Post by shaunthe2nd on Aug 9, 2020 10:11:50 GMT 1
Have you thought about putting a 250lc rear wheel in? No cush rubbers, but has rubber collars on the fixing studs. Lighter than the 350 and s lot of the prodie racers made this change. I've a spare 250 wheel I think.
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Post by mangocrazy on Aug 10, 2020 23:29:47 GMT 1
And you will gain weight in the bigger wheel and tyre - I wonder if that will have an affect regards the bendy Lc swingarm ? Dusty The LC wheels are the heaviest cast wheels I've ever encountered. Without any discs the front weighs more than a much wider modern wheel with discs fitted. If the 'replacement' wheel is off a 1990 bike you may even find the XJ wheel is lighter than the LC one. Casting techniques have improved out of all recognition over the years. If you're really lucky, you won't need an inner tube...
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Post by veg on Aug 10, 2020 23:39:25 GMT 1
Over 20kgs
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Post by flames on Aug 11, 2020 0:50:12 GMT 1
Don't know about the 550 wheel but xj600's are wider and definitely heavier. At one time I toyed with idea of 31k rear to match xj front in mine but the extra weight put me off. I do think the LC wheels suit it better than anything. If only the Titanium fairy would make me a lighter set.😁
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Post by JonW on Aug 11, 2020 1:05:32 GMT 1
Im not thinking the 550 is lighter, didnt feel it to me, but ive not done any proper weighing.
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Post by dusty350 on Aug 11, 2020 7:14:38 GMT 1
The "Modern" wheels we tend to fit (Rgv, Kr1/s etc) are also hollow or fluted, whereas the italic spoked wheels are solid cast. I cant imagine a bigger cast italic wheel will weigh less than a smaller one ? But I've never weighed them so... Dusty
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Post by veg on Aug 11, 2020 7:27:52 GMT 1
Without referring to my own notes I can’t be exact but as I say over 20kgs I’m sure that’s just as a bare wheel they’d make fine boat anchors. One of the greatest improvements you can make is fitting lighter wheels to a bike.
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Post by oldelsieboy on Aug 11, 2020 7:35:38 GMT 1
I have searched for a rear wheel for my LC350 as the 1.85 rim is very narrow, I have been told that the rear wheel from a Yamaha XJ 550 1990 model with the 2.15 rim will fit with little modification and will also match the italic front wheel. Has anyone done this wheel change? Thanks for any infor. Philip Seen an LC of FB with one fitted.
OEB
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Post by philip on Aug 22, 2020 3:52:23 GMT 1
Thanks for all the infor, my look for a rear wheel from air cooled RD
Philip
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Post by dusty350 on Aug 22, 2020 8:34:02 GMT 1
Aircooled Rd wheels are REALLY heavy ! I've never compared but I would think an aircooled wheel is a lot heavier than an Lc due to more, thicker spokes. An Lc was approx. 48kg's lighter than an Aircooled Rd, straight out of the crate. Lots of parts were plastic of course on the Lc, but the wheels would probably account for some of that difference. Dusty
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Post by JonW on Aug 22, 2020 8:42:36 GMT 1
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Post by bare on Aug 23, 2020 18:22:18 GMT 1
Erm.. Later Valvie (1990..?) rims. Ones with long oval voids, not the early TOO heavy holed web type. 2.50 J weighs a bit over 20 Lbs Komplete ! on My scale .. Axle /nuts Sprocket, Cush drive, Disc, even rear caliper mount casting. No tire tho :-) Yesss it means a bit of lathing of the wheel hub to fit the LC swinger OR the spreading of the LC swinger open by ~20 mm. Your choice. And the fitting of the same version Valvie front wheel to look reasonable and lose some front wheel weight. IMO these are more attractive /in keeping with an LC than fitting 17 inch rims with pointlessly fat tires. Wider rim allows the stock size tires to not be 'pinched in' as they are on the too narrow Stock LC rims. A Useful improvement /reason enough.
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Post by flames on Aug 23, 2020 18:36:10 GMT 1
Erm.. Later Valvie (1990..?) rims. Ones with long oval voids, not the early TOO heavy holed web type. 2.50 J weighs a bit over 20 Lbs Komplete ! on My scale .. Axle /nuts Sprocket, Cush drive, Disc, even rear caliper mount casting. No tire tho :-) Yesss it means a bit of lathing of the wheel hub to fit the LC swinger OR the spreading of the LC swinger open by ~20 mm. Your choice. And the fitting of the same version Valvie front wheel to look reasonable and lose some front wheel weight. IMO these are more attractive /in keeping with an LC than fitting 17 inch rims with pointlessly fat tires. Wider rim allows the stock size tires to not be 'pinched in' as they are on the too narrow Stock LC rims. A Useful improvement /reason enough. I have weighed early xj600 wheel with tyres and discs and it is 1.9kg lighter than LC wheel with discs and tyres.i believe the rim to be wider than ypvs so would think they are lighter still. The rear xj wheel I weighed an age ago and was a lot heavier than LC rear. I am hoping early PV rear with disc and caliper isn't too much heavier than LC rear but not going to hold my breath.
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Post by bare on Aug 23, 2020 20:22:02 GMT 1
Could hold out for the later version PV style wheel(s) ? I did... as I found the early PV (hole type) ones to be unacceptably heavy / klunky things.
Good luck .
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Post by flames on Aug 23, 2020 21:04:52 GMT 1
Could hold out for the later version PV style wheel(s) ? I did... as I found the early PV (hole type) ones to be unacceptably heavy / klunky things. Good luck . I did think about it as they are lighter still, but I have fz600 forks,yokes ( triple clamps as you call them) with xj600 wheel. They run a thicker spindle and a meant to be there fork brace which helps stop fork twist, so the early PV wheel matches. It's easier for me this way. If I was fitting PV forks I would go for later wheels. Sorry to the OP for the hijack.😞
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