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Old 16-04-23, 08:12 PM   #2731
garynortheast
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Default Re: What have you tinkered with today?

Bugger!! Not the best way to start the riding year Darren!
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Old 17-04-23, 07:45 AM   #2732
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Default Re: What have you tinkered with today?

Think I would have given up and had a pint instead.
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Old 18-04-23, 09:52 AM   #2733
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Default Re: What have you tinkered with today?

New bike day is getting near so time to revert the VFR to standard. Noisy exhaust is off after a lot of swearing. You won't believe what that lot weighs.




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Old 18-04-23, 01:03 PM   #2734
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Default Re: What have you tinkered with today?

That's one large chunk of exhaust system John!
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Old 18-04-23, 02:33 PM   #2735
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Default Re: What have you tinkered with today?

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That's one large chunk of exhaust system John!
It's not light either 17kg and it's all high up which doesn't help the CofG.

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Old 20-04-23, 11:30 AM   #2736
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Default Re: What have you tinkered with today?

OK, not bike related, but I was asked if i could look at a Karcher pressure washer which was blowing fuses every time trying to start it. Usual suspect seems to be the starter capacitor, but customer had changed that with no improvement.

I got it on the bench and started stripping it. The new and the old capacitors both checked out spot on at 40uF, all other electrical stuff in very good condition and apparently OK.

The motor shaft projects out of the top with a plastic dust cap, and it was very tight to turn. Loosening off housing screws showed up that the top motor bearing appeared to have play in it, which of course it shouldn't.

The way in is to remove the pump assembly and its swash plate drive, then the motor lower housing comes off. The motor rotor had slight free movement in the top bearing but wouldn't slide out easily, it would catch. Gently tapped the shaft out and found that the rotor had been just contacting the stator field iron, which is clearly what was preventing the motor starting (once powered the magnetic attraction just locked it in contact).

It uses a "tolerance ring" (a corrugated steel sheet ring ) to fit the shaft into the bearing, and this had obviously collapsed so it was now a loose fit in the bearing, the bearing itself was absolutely fine. The tolerance ring is supposed to be a light interference fit so it is a tight push and the corrugations squeeze down to hold the shaft centrally in the bearing.

Carefully measured up the shaft and bearing and turned a close fit solid ring on the lathe, parted it off, and then split it lengthwise so it would clip into the groove in the shaft. Luckily it seemed to be a spot-on fit and the rotor pushed firmly back into the bearing with no apparent play.

Reassembled and all works perfectly, so if you ever come across this fault with a pressure washer, and it seems to be relatively common on various makes, then if the starter capacitor doesn't fix it, investigate the top bearing for free play. The standard fix would be a new tolerance ring, but the chances are that would also eventually collapse too, I had the facilities to make a solid ring which will obviously last indefinitely.





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Old 12-07-23, 02:27 PM   #2737
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Default Re: What have you tinkered with today?

I fiitted a TUTORO chain oiler today. I usually fit a Scottoiler but the prices are a bit rich for my liking. I did some research and the TUTORO seemed the best option for me.
Easy to fit, no vacuum pipes to splice or electrical connection required.


I'll let you know how I get on with it.





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Old 12-07-23, 06:39 PM   #2738
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Default Re: What have you tinkered with today?

That looks very tidy John.
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Old 13-07-23, 05:25 PM   #2739
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Default Re: What have you tinkered with today?

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That looks very tidy John.
Longer test ride today. Seems to work fine. I'm still fine tuning the drip rate but the chain is wet and there's no fling onto the wheel.

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Old 31-08-23, 04:37 PM   #2740
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Default Re: What have you tinkered with today?

Not exactly the bike, but bike kit. Put this up this afternoon and finally got the bike kit out of my bedroom,

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