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Hi all, I'm presently running a pair of FZR 600 forks on my bike using the original top and bottom yoke and stem (which matches the XS650 stem). In the present setup there are a pair of locknuts that adjust the preload on the tapered headstock bearings. There's then a small gap between the two...

Hi all, I've presently got an RD350 PMA fitted to my bike but never got around to making timing marks on the flywheel. Can someone confirm that the only mark on the flywheel is for TDC? I'll also need to add timing marks to the engine cover. Please could someone confirm how many degrees...

I've got a spin-on filter mounted to the sump plate on my engine and have just been given one kits that allows a small paper filter to be used beneath the side cover. My question is; can both be used together or does it create too much strain for the oil pump? Thanks

Hi all, I've got a bit too much lever movement using a 13mm master cylinder combined with a Yamaha FZR (3HE) four pot caliper. I'm therefore looking for a 14mm but want one that's not too large, doesn't have an adjustable lever and is designed for 7/8 bars. Btw, I'm aware that the XS650, and...

Hi all, As those of you from the UK may already know, the UK XS650 forum crashed a few months ago and was irrecoverable. A new forum has since been setup to try to keep us XS650 fans on the other side of the pond in touch with one another. During the fracas I know we lost contact with quite...

Hi all, I've been offered a pair of brand new Mikuni VM34 carbs that seem to be well jetted for an XS650 in standard trim. The price is good, but they appear to both be right-hand carbs. From what I can see the only difference between RH and LH Mikunis is the placement of the idle/slide...

Hi all, Does anyone have a spare speedo drive that they're willing to sell me? I'm based in London. Zach

Hi all, I'm in the middle of putting an FZR 600 (3HE) front end on my bike. I've already made spacers to mount the XS front wheel in the FZR forks and now need to make a spacer to offset the Ducati rotor that I'll be using. I need to make a spacer that's around 17mm thick to allow enough...

Hi all, I'm interested in converting to a hydraulic clutch using a Honda VFR slave cylinder like this one. http://www.ebay.co.uk/itm/HONDA-VFR-750-FL-FM-FN-FP-1990-1993-Clutch-Slave-Cylinder-/111690345628?pt=LH_DefaultDomain_3&hash=item1a01436c9c Does anyone know the piston bore for...

Hi all, I've had my bike for about three years and have been a long time lurker on this forum. I recently realised I have very few pictures that track her development during that time. Seems like a build thread would be a good way of going about it. I've also been prompted by a recent house...

Hi all, Does anyone know the best leverage ratio for a Yamaha blue spot caliper? Based on my (possibly shaky) calculations I've worked out the following ratios based on different master cylinder bore sizes: 10mm MC = 32.58:1 11mm MC = 26.92:1 12mm MC = 22.63:1 13mm MC = 19.28:1 Does...

Hi all, I'm currently mulling over fitting an FZR600 front end onto my bike. I'll be mocking up the install so that I can sort out axle spacers and the brake setup. I've got a spare cast front wheel but have a spoked front wheel on my bike which I intend to use with the FZR forks. Quick...

Hi all, I've just finished installing a home-spun RD350-based PMA. I believe it's the same rotor and stator as the US Banshee. It uses a 5 wire three-phase reg/reg with 3 yellow wires, a red and a black. The three yellow wires are connected to the three wires from the stator, the the black...

Hi all, I've got a standard 19" steel front rim on a disk hub. I've just found myself a flanged Borrani front rim which appears to utlise spokes of the exact same length (which would be nice and convenient!). The only problem is the spoke angle appears to be wrong. I believe that the Borrani...

Hi all, Would someone be able to provide me with the dimensions of the right hand wheel spacer for a drum brake rear end. I'm after sizes for the one which differes between disk and drum models. I'm intending to turn one on a lathe (unless someone in the UK has a spare?). Thanks.

Hi all, Does anyone know if the rear drum brake plate from any other model of Yamaha was the same as the XS650? I'm struggling to find a 650 brake plate here in the UK. Thanks, Zach

Hi all, As ever, apologies if this has already been asked. I can't seem to fine the answer. I've stripped down the top end of my engine to replace the cam chain. The only cam chains available from my supplier were endless. I've now got an endless cam chain and a rivet link which they also...

Hi all, Apologies if this has already been asked, I couldn't find the answer. I'm presently sourcing parts for the RD350 PMA conversion (banshee parts aren't available here in the UK). My question is, can you use the required RD parts (stator, stator bracket and rotor) from any year of...

I've been offered an early '80s Honda XR500 rear wheel for my XS650 project and I'm interested to hear whether anyone has experience of fitting one to an XS650 swingarm. I've got access to welding equipment to add a brake arm bracket to the swingarm and a lathe for fabricating spacers. What...

Sorry if this question has been answered before, I didn't manage to find what I was looking for with the search function. I've just aquired a 1" extended, braced swingarm (believed to be Halco) that I'm intending to fit to my bike. It doesn't look like the standard chain and sprockets would...