www.YamahaR.co.uk

Check the EXUP valve moves and isn't seized solid. Once bought its worth stripping it and cleaning/lubing it.

Might just be personal to my own bike, b…login to view the rest of this post

There should be a bush and spacer on the far side. On my bike, the bush stays in place when you take the valve out.

replied on the other thread , ye…login to view the rest of this post

Nice one Rob glad you've got it sorted .
When you do the Exup make sure you have some easy-outs and a tap & die set because if the bolts holding the …login to view the rest of this post

Got n=m bike back on the road recently after months off road due to tensioner failure. Its been down on power, really holding back (as in getting out …login to view the rest of this post

Nice one Rob glad you've got it sorted .
When you do the Exup make sure you have some easy-outs and a tap & die set because if the bolts holding the …login to view the rest of this post

Well, I've found out how little spare time having a wife, 5 and 7 yr old boys, a full time job doing 60 hrs overtime plus a second one day a week job,…login to view the rest of this post

My Yamaha R1 4XV is....about to have the engine removed so I can swap cylinder heads.

Anyone know anywhere that does aftermarket valves cheaper?

Aftermarket valves are still quite expensive, have a look at kibblewhite and ape stainless…login to view the rest of this post

Ah well, looking at a huge bill here. New tensioner in, cams timed up correctly, engine turning over with no bad noises. Done a compression test, No's…login to view the rest of this post

Thanks mate, I've seen the other one of ebay so I'll get that ordered tonight. Need some other bits and pieces from Yam, so once it's all sorted and b…login to view the rest of this post

Thanks Jompy, fingers crossed that I've gotten away lightly.

Was the APE tensioner easy enough to actually fit/adjust?

I'd tried getting at the tension…login to view the rest of this post

I was on way home on the motorway and I noticed the noise as I slowed for a roundabout at the end of the slip road. There was a really loud rattle fro…login to view the rest of this post

:shhh: I think the key issue is that the op appears to have a tensioner problem and it's not that relevant whether it is hydraulic or manual.

There ar…login to view the rest of this post

Found this forum last year when I was Gooling for info on why the bike wouldn't change up from 2nd gear.