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Author Topic: Manky's XS650 Yamaha  (Read 664657 times)
Manky Monkey
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« Reply #1560 on: November 27, 2016, 10:28:04 AM »

 Cheesy Yeah, I do suspect I might be asking for trouble with them -but they look so pretty!
Mike, they're 930 Mark 1 Amals, as used on loads of British 650 twins. Bought new from Burlen Fuel Systems in Salisbury, (I went there & collected them in person). Already forgotten the cost, but something like 100 quid each. Andy, (Dslam)'s, currently fettling them, so can tell you exactly what jets etc are in them.
I've used a pair of 34mm Dellortos with accelerator pumps on one of my old XS chops, bought from their place in Reading, Berks, (no idea if it's still there). Hugely improved the performance but did drink fuel by the bucketful.
« Last Edit: December 04, 2016, 08:55:06 AM by Manky Monkey » Logged

On the last freedom moped out of Nowhere City.
Dslam
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Wot ho chaps, its bloody Whitworth!!


« Reply #1561 on: November 27, 2016, 06:18:43 PM »

Minor problem with the brass twiddly things for the Amal's. They don't fit. The threads are poorly cut or the threads in the carbs have changed profile since Amal re vamped the MK1's. The throttle stop screws and mixture screws supplied with the carbs fit fine so I suspect the brass ones. I am going to setup the carbs with the Amal ones then decide what to do with the brass ones as his Mankyness is rather keen for them to be fitted. Might be able to rethread. We shall see.
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Manky Monkey
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« Reply #1562 on: November 27, 2016, 10:34:53 PM »

Damn! Well, as I said, rideability's more important than prettiness Smiley Looks like I might end up with a bike & a very expensive set of cufflinks then.
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Dslam
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Wot ho chaps, its bloody Whitworth!!


« Reply #1563 on: November 29, 2016, 05:42:02 PM »

Got the XS running. Called Mr Mankey to let him hear it. She's loud! Anyhow, got the pilot and slide cutaway just right but the needle needs to be dropped a notch but a lovely slow tickover achieved.
Started on the sidestand mod which is slightly too long and the bike sits too upright.
Easy thought I. Ignite the gas axe, a bit of heat applied and Robert would be your mothers brother but on closer inspection if I bend it out the spring will foul, if I shorten it the spring mount will be on the ground.
Bend it forward it is then!
I will have to make the upper spring mount stronger as it is bent and the oval hole that locates it has gone nearer round than oval. Will remake that as well then. Where's me file gone?
Onwards and upwards or forwards. You know what I mean.
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Manky Monkey
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« Reply #1564 on: November 29, 2016, 07:43:05 PM »

I like to spread the joy of tinkering around Smiley
I did indeed hear it & can confirm it's rather louder than I'd expected Smiley Larger bore stainless pipes have definitely amplified it's rortiness. Hard to tell over a mobile phone in a shed, but if it proves too much, (not just for the MOT, but also for comfortable riding -no fun if it gives me a pounding headache every time I take it out), I'll look again at the previous plan of adding a double entry/exit silencer in the middle.
Andy's convinced the left rear indicator, right behind the exhausts, will melt into an unrecognisable drooping blob of plastic within the first few miles. I disagree & think the vibration will shake it to bits before that happens. Either way I reckon I'll be shopping for some small black aluminium replacements fairly soon.
Otherwise, progressing fairly well I think. The motor seems strong & mechanically healthy & Mr 'Slam's still talking to me so presumably I haven't committed too many engineering or styling crimes in it's execution. Smiley
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the coppersmith
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« Reply #1565 on: November 29, 2016, 07:46:40 PM »

.
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Archie
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« Reply #1566 on: November 29, 2016, 08:57:00 PM »

Gotta remember noise wise, they'll be behind you so won't seem so bad when riding
« Last Edit: December 04, 2016, 08:59:50 AM by Manky Monkey » Logged
Manky Monkey
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« Reply #1567 on: November 29, 2016, 09:35:30 PM »

True, but I'd like to commute to work on it in the Summer. Already expecting to roll it to the bottom of the road before starting it -if it's too loud I might have to push it to the next street!
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spanners
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« Reply #1568 on: November 29, 2016, 10:31:52 PM »

you cant beat setting off car alarm with a twist of the throttle   Wink Wink Wink
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scannerzer
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« Reply #1569 on: November 29, 2016, 10:32:12 PM »

excellent news,nice to have it up and running
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merv
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« Reply #1570 on: November 30, 2016, 07:34:44 PM »

good news on the frog running
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Manky Monkey
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« Reply #1571 on: November 30, 2016, 07:47:53 PM »

Yeah, I can't wait to hop aboard.
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minimutly
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« Reply #1572 on: November 30, 2016, 08:19:07 PM »

I can't think of anything worse, being woken up by a postie going in for the morning shift - every day!
Thankfully this monkey is a considerate one Smiley
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Manky Monkey
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« Reply #1573 on: November 30, 2016, 09:23:00 PM »

The people in the next street might not agree!
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« Reply #1574 on: December 01, 2016, 10:18:36 PM »

Thanks to Chris for posting these for me, (used up my data allowance on my laptop & the next lot doesn't kick in till tomorrow, so posting this from my phone).
Kickstart pedal parts cut from an offcut of 3mm stainless steel plate, picked up on eBay for 5 quid. The Christmas rush is well underway at the Post Office now, but I finished work early enough today to nip over to Berkshire to see my mate Bernie the fabricator, who TIG welded them together while I waited for another fiver.
 http://media6000.dropshots.com/photos/1101204/20161201/b_171038.jpg
Manky's XS650 Yamaha


http://media6000.dropshots.com/photos/1101204/20161201/b_171037.jpg
Manky's XS650 Yamaha
« Last Edit: December 02, 2016, 08:25:19 PM by Manky Monkey » Logged

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