As posted above and per the Haynes manual, remove the oil cooler distributor block by unscrewing the large bolt. The o-ring is the same as that...
[IMG] The Yamaha '82 XJ650 Supplementary Service Manual covers 11N UK models 1982 to 1984. Was this when the YICS models were introduced. The...
Have had this email reply from Haynes too. "We believe the views on the forum are correct. The original Yamaha service manual specified 0.16 to...
Have emailed another UK Yamaha dealer and got this reply. "We agree that the Yamaha service manual gives 0.16 ~ 0.20 mm (0.006 ~ 0.008 in) for...
Yes, I've started a "Conversation" with you.
Found an example of the data sheet from another model. [IMG] My bike still has the battery vent pipe routing sticker on the RHS side cover but...
The Yamaha manual says is was written by Yamaha Motor Company. From new, my bike has never had a data sheet on the side cover. Does this mean...
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Once again, I've spoken to a UK Yamaha dealer and they have confirmed that both the inlet and exhaust valve clearances for my model should be the...
My UK XJ650 (4K0) was manufactured in June 1980, this was the first model run. The genuine Yamaha service manual is the 1st edition, published in...
See this thread for further details, UK 1980 XJ650 4K0 SHIMS | XJBikes - Yamaha XJ Motorcycle Forum
As per the Yamaha factory service manual, the intake and exhaust valve clearances are both the same at 0.16 ~ 0.20 mm.
Sorry, can't do a photo but basically, it was a 10mm 1/2' sq. drive socket with along reach allen key wrench adapted to fit the sq. drive using an...
On my 1980 4K0 (UK) model, I used to remove the exhaust system to access the middle gear drain plug. Since then, had a tool made which now means...
Nice video but unfortunately it is not correct or accurate. As above, the washer between the spring and filter is missing. (Likely stuck to the...
On my UK 1980 XJ650 4K0 model, at idle, I could grab hold of #3 cylinder exhaust header pipe, is was cold. Can't remember which way the pilot air...
Had the crown wheel inner oil seal and needle roller bearing replaced on my XJ650 FD unit today. When "boxed up", the FD unit didn't spin freely....
The seal which is leaking (previously fitted the wrong way around), is internal behind the crown wheel needle roller bearing. This is going to be...
I've spoken to Fowlers and given the engine number, they will be able to confirm if the UK & US models share the same valve stem oil seals and...
Hi Karl, great to see a new UK member. I use Fowlers Parts in the UK, they are very helpful. If you call on 0117 977 0466 and give them the...
The slide hammer has an M10 x 1.25 thread and the adapter converts M10 x 1.25 to M14 x 1.5. [IMG] [IMG] The latter being the thread on the end of...
Having now had these special tools manufactured for use in the partial disassembly and assembly of the final gear unit on my 4K0 (UK) XJ650. [IMG]...
Found the tools are available in the UK from Yamaha via Fowlers. Coupling Gear Tool, External 9089001229 TOOL COUPLING GEAR/M. SH...
I don't know if this information is posted elsewhere within the forum but thought while I had it in front of me, I'd post it here for future...
Yes, spoke to Showe this morning and have ordered 2 gaskets. Showe quote a Yamaha genuine part number which checks out too.
In the UK, I normally purchase valve cover gaskets from Wemoto, Yamaha XJ 650 4K0 80 Valve - Rocker Cover Gasket/Seal Parts at Wemoto - The UK's...
The oil seal which was leaking is #7, in fact, when the FD unit was overhauled, the seal was fitted facing the wrong way. [IMG]
I'm in the UK where replacement final gear units are not as readily available as they are in the US. I did manage to pick one up which has been...
I removed the rear wheel on my XJ650 and there was oil in the hub of the crown wheel. The centrifugal force must have been sufficient for the oil...
Had a recommendation from a VJMC member, now getting the tools made locally.
On an XJ650, the shaft (male) to pinion (female) splines are lubricated with oil from the final gear housing itself. The oil seal on the shaft...
Is the oil definitely coming from the breather. I ask because on my XJ650, an internal oil seal had failed/been fitted the wrong way around and...
Padgetts have declined to carry out the work on the FD unit. So, with help from a very good friend, the FD unit has been partially disassembled....
Yes, I'm a member of the VJMC and a coordinator for a local North East (Teesside) Section here in the UK. Was at a CRMC event at Croft circuit at...
Thanks to bigfitz52 for posting this thread with photos etc., very helpful. After 42 years and 57K miles, have had to replace #4 oil seal as it...
In the UK, Yambits do a starter switch button kit, Yambits : for Yamaha bikes The horn button is the same and I've had to replace it on my 1980...
Took the plunge and bought a used FD unit from Huggy's Speed Shop. It was listed for a Maxim but after checking the OE part numbers, the same unit...
Have found a Maxim FD unit, does anyone know if this will be the same as that for my 4K0 model. I'm aware that the rear wheels are different...
I've found a 1980 XJ650 Yamaha factory workshop manual on ebay UK. Does anyone have a copy and if so, does it give details for overhauling the FD...
The FD unit on my 1980 (UK) 4K0 XJ650 is leaking oil past the oil seals and making it's way on to the rear wheel. Unfortunately the unit will...
Found this video for a WR250R, presumably it's very similar for an XJ650, [MEDIA]
I'm looking to clean or replace the engine oil level window on my 1980 4K0 (UK) XJ650. Please could someone confirm the method of removal and...
Found this video of an XJ650 Airbox, [MEDIA]
It's on a 41 year old bike with 55,400 miles on the clock.
Using a piece of card as a template and measuring the angle with a protractor, I've come up with approx. 105 deg.[IMG]
YAMAHA XJ650 PARTS, YAMAHA XJ650 BITS, YAMAHA XJ650 PISTON KIT, YAMAHA XJ650 PISTON, YAMAHA XJ650 PISTON PARTS, YAMAHA XJ650 PISTON ASSY, YAMAHA...
Pulling the plug wires might not be a good idea. The Haynes manual says, "the ignition system must not operate with one or more HT leads isolated,...
Ok, Skipton would make a good halfway house between Ingleby Barwick and Liverpool. If others chip in, the location may change accordingly.
Skipton (Bolton Abbey Station) on Tuesday 7th September 2021.
