General topics » Checking/servicing shaft drive

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I've just got back from 1700 miles in Ireland, both Northern (Causeway Coast via Port Rush, home of the North West 200 road races that were about to start) and the first half of the Wild Atlantic Way, as far down as Galway. My wife drove the motorhome and I rode the bike. She was happy and I was blessed. It was a superb trip, great weather, beautiful scenery and the locals were very friendly. I'm enjoying motorcycling in my 69th year as much if not more than my 16th

One bike related issue. The rear master cylinder started leaking grungy looking brake fluid onto the pedal. I kept an eye on it, topped it up once and ordered a 2nd hand one from James Sherlock. It was a simple enough job to change it, bleed right through front and rear and the ABS unit. All is now good. The old one had suffered water ingress from below (I think the rubber boot had become displaced) and was rather nasty looking. There are no service kits available to simply repair the unit! I paid £60 for a mint 2nd hand one complete with reservoir. New they are £140 for just the master cylinder.

With over 41,000 miles on the bike I felt it'd be good insurance to have a look at the drive shaft, checking the universal joints for play and the splines for corrosion and wear. I have previously greased the rear spline.

I've got it all apart today. The splines and shaft are all good. there is very little corrosion on the shaft itself. There is however a fair bit of corrosion at the rear of the aluminium shaft housing/swinging arm. The inside the swinging-arm is very wet to the point that there is some organic growth in there

I've cleaned up the corrosion and I'm in the process of painting the casing. The inside of the swinging-arm was cleaned and dried and coated with ACF50. I've cleaned both gaiters and I've noticed that the rear one, that locates where the corrosion is on the swinging-arm, has perished and isn't fitting correctly around the clips that hold it in place. Another £50 and a new one is on order hopefully arriving in the next couple of days.

I saw a very low mileage 2nd hand shaft for sale on eBay. I made an offer and it was accepted. £180 with next day delivery (the usual price for 2nd hand one's is at least double that and some look decidedly dodgy). It is essentially new. I'm going to fit it and have my old one as a spare.

So all is good here. 8D2D2434-1520-45C1-8EA3-B22EEDE1C1B9-15033-000002EED26B5B15.JPG - Bild entfernt (keine Rechte)

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