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Topics - Ewan 500 K1
1
« on: July 23, 2014, 08:42:05 PM »
so, its hard to sort out the wheat from the chaff. The merchants of doom have been proved right in opinions that riasing the rear end by 46mm would give me the front end wobbly at high speeds. Anyone know anyone who could engineer me a new front yoke set ..... reduced offset to 35mm and extended steering stop, but otherwise same as 500 one including top yoke steering stem hole being higher by standard amount than the fork tube holes. Been saving for a bit.................
2
« on: June 15, 2014, 06:49:54 PM »
so...in building my cafe racer I increased the rear forks by 46mm (nearly 2 inches) ... On a test ride today I was getting a front end side to side twitch at 90mph, despite having a steering damper on and with it set at full damping. So, I need Triple T set with less offset to compensaet for the reduced trail caused by raising the rear end. I understand that the NSR125 triple T would do the the job ... can anyone offer any advice on what is involved in this modification ?
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3
« on: May 20, 2014, 07:49:51 PM »
Hi, looking for options for rejoining my front gaurd to its bracket. Original looks loke it uses chromed rivets.. are these available anywhere and if so are they easy enough to use ? ... or is it better / easier just to go with dome head bolts
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4
« on: May 15, 2014, 07:29:56 PM »
Free camping during June for anyone arriving on a 500 or 550 four SOHC at www.moatvale.com , near Carlisle [ Guests cannot view attachments ]
5
« on: May 09, 2014, 06:47:51 PM »
.. and a caliper arm with a 50mm distance between the caliper mounting holes ... like the one in attached picture. Note how the lower edge of the pivot arm sweeps up toward the caliper position and that there is the raised up bit of the casting between the adjuster bolt hole and the bottom edge of the braket .. which are the easily visible differnces with the 500 one in addition to the fact that the caliper mounting holdes are 50mm apart rather than 42mm found on 500/550 s Theres at least 3 forum members with caliper arms for sale if we can find out which model its for  We all have 500/550's and aquired these by mishtake
6
« on: January 04, 2014, 12:06:04 PM »
Hi
anyone know the correct figures for the 500's camshaft lobe tolerances. The shop manual (and Haynes and Clymer) all state that the standard height for the inlet lobe is 34.93mm to 34.97mm and that the serviceable limit is 35.85mm ... ie that the service limit is bigger than the standard height ... some mishtake surely ??
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8
« on: November 03, 2013, 12:18:37 PM »
This is installing the engine on a CB500/4 , removal is just the reverse procedure. Same procedure can be used on the 400, 650 and 750
1. Remove sump, oil strainer, oil filter housing, breather cover and exhaust studs from the engine (photo 1)
2. Sit the engine on its side , kickstart side down . This is imporatnt it doesn't work as well if the engine is the other way up. (photo 2)
3. Lower the frame over the engine and install the two lower engine bolts (photos 2 & 3)
4. Have some blocks of wood in place to roll the frame / engine aassembly onto in upright position. The wooden blocks should be positioned to avoid the side stand bracket (photos 4 & 5)
You might want to protect the frame's paintwork by wrapping it in bubble wrap or similar before you start
9
« on: October 20, 2013, 10:48:53 AM »
Hi been trying to change my avatar, but when trying to uplad a new one I'm getting an error messgae "either the picture is not an avatar or the file is too big" .... even when I wipe the vatar completely and try to reload the one I was currently using it says the same error message
10
« on: September 24, 2013, 08:11:54 PM »
Found this on the workshop floor where I've been working on the 500/550 mongrel. Anyone got any idea what it is / where is came from . The wee hole and groove would indicate that it's connected to a greasing point . Its got the same kind of groove as the swing arm spindle collar. Could be for either the 500 or the 550 ...... or then again maybe its a bit from something else entirely that just rolled of the shadows of the workshop. (that's a 5p piece beside it in the photos). All I know for sure is that its not an internal engine part.
12
« on: September 16, 2013, 09:00:41 PM »
just cant make up my mind 
13
« on: September 04, 2013, 07:27:19 PM »
Hi, anyone know if there are any yoke / steering stem sets from other bikes that would fit straight onto a 500K1. ? Standard yokes are 45mm offest, looking for something with an offset of 30 to 35mm. So far I have the attached list of bikes with the same steering stem diameters, headstock bearing seat diameters, stem bearing height (ie they take the same steering stem bearings) and the same fork tube sizes. But cant find any info on steering stem length dimensions or yoke offsets
14
« on: August 31, 2013, 02:48:31 AM »
Fat Boab gets real
15
« on: August 28, 2013, 08:15:03 PM »
,.. i can see the day when I'll need one of these
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