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Cheers, thanks

Hey Mr Dusty,

I had this exact same problem with Tracey's R1-Z after I rebuilt the Calipers, I hadn't touched the master cylinder, so I knew there was nothing wrong with it.

But..... it did turn out to be trapped air in the master cylinder.

If you operated the brake lever in and out fairly quickly but only in as far as to just move the master cylinder piston a fraction, then tiny little air bubbles would come up out of the smaller return hole. Took about 2 hours of operating the lever like that and tapping the master cylinder gently occasionally and eventually the bubbles stopped and the brakes were absolutely perfect.

Might not be this on yours but could be.

Is the reservoir the remote type with a pipe, or an all-in-one metal unit ?. Probably more awkward with remote reservoir type I would've thought.

rdlccrazy.proboards.com/thread/34879/4l0-7mm-gearchange-shaft-seal

I did this a while ago, if you read near the end of the post you will see the seal I ordered and fitted.

Never dripped a drop since fitted

Having moved 17 times in the last 27 years and having had my bikes in all different types of storage, I'd have to disagree with some of the recommendations above, in particular ventilation.

Sure, it's better the have ventilation in a non-insulated, non-heated shed for example but I've learned over time that the only way to stop condensation on your bike (unless in a cocoon or bubble), is to keep the ambient temperature constant around the bike.

Condensation only usually forms when warmer moist air hits colder surfaces, so if you have a cold period of weather and everything metal (particularly the petrol tank up to the fuel level) is freezing cold, and then the weather changes to a milder temperature, the warmer air hits the colder metal surfaces and that's when most of your condensation occurs.

Keep temperature of the area around the bike constant (either cold or warm) and condensation will not occur on the metal parts.

My current garage is not heated but is totally insulated from the outside and I don't get any condensation. But in the scenario I have mentioned above, there are times when it is colder in my garage than it is outside. Keep the doors shut and absolutely no problem, open up the garage door when it is warmer outside, and within a minute of the warmer air coming in to the garage, everything metal is covered in condensation.

So I reckon you have 3 options, bring the bike in the house over winter, keep it in a bubble or cocoon, or stop the temperature fluctuating over short periods in your shed or garage.

Does say on some functions that they are aware of a problem and fixing it ?

Luckily for me, I only ever uploaded pics onto Photof*ckup that I already had saved onto my PC

Once a month I backup my phone and camera to my PC, then backup my PC to an external drive.

As they say........., your data is only as good as your last backup !

I've done this lots of times, turning the tap to the off position, running the bike till it stopped, then removed the carbs to find a fair amount of petrol still in the float bowls !.

What I've found is,.... with the tap in the off position, it effectively stops any fuel leaving the pipes etc. (like say holding a straw vertically full of liquid and having your finger on the top, which stops the liquid draining out). Then over time, the fuel finds its way out of the pipes down into the carbs and puts a fair amount of fuel back in the float bowls

What I do now is,..... turn the fuel off, disconnect the line/lines from the tap, then run the bike till it dies. For the last 10 seconds or so, as you can hear it starting to run out, using the choke will keep it running for a good 10-15 seconds more. Once that's done, I put plugged stubs of petrol pipe of the fuel tap outlets to eliminate any chance of fuel getting past the tap and down into the carbs.

Doing all these things (pipes off tap, block tap outlets and using choke at the end of running) will make the bike run for a good 20-30 seconds more and will pretty much empty the carbs.

It's what I do anyway and never had carb probs when a bike has sat over the whole of winter.

Can anyone check if that option's gone or it's just me ?.

Even if I select just one photo, the options pop up but nothing to download, just move about within Photobucket !.

Not the end of the world for me, as every singe picture I have on there I have uploaded from my PC, just woulda been nice just to group them.

If the option's gone, I'll just delete my account

The problem I have is that I've got a 31k throttle tube in an F2 housing/switchgear, so god knows what that combination does.

I've got 31k carbs and a Norbo Jap quality throttle cable, so pretty sure the tube is the problem.

I made a couple of spacers either end of the top cable for now and got rid of the excess free play but next week I'll see if I can modify the 31K tube, if not, I'll order an F2 tube from Yambits and see if that sorts it.

I'll let you know Jon

That's a good suggestion, I'll have a look see if that's an option on mine.

Cheers

Why don't you buy the Yambits one (£6.99 + delivery) and let me know if it's any good ?

Done and fitted.

Bit fiddly but good results.

All the old rubber parts that came out we’re like concrete covered in syrup lol

Anyone replaced the diaphragm in a YPVS Petrol Tap ?.

The diaphragm has 2 parts and doesn't look like it comes apart ?. Am I right that one side needs to be pulled through the hole in the centre of the plastic section that sits in-between them ?.

Is that right ?, looks like it would damage it getting it through

Cheers

Yeah, no problem.

Can be a bit awkward to hook the old seal out but new one will just tap in.