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Messages - bigmockuk

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46
What is it? / Could this be for carb overflow tubes?
« on: June 26, 2015, 10:19:29 PM »
Hi all,i removed the centre stand to give it a right good clean/repaint,im usually very carefull to keep dismantled parts in their respenctive assemblies but im stumped as to where this plate came from,i remember seeing it low down on the right side,dam sure of it.i had a few parts sanded down for respray,can anyone refresh my memory thanks

47
What is it? / Re: mystery front wheel
« on: June 23, 2015, 11:01:20 AM »
oddjob thanks for looking into that! im trying to go thru google pics for every bike to determine what they are and the 900 is very close too.i`ll check out the 650z shortly cheers.both wheels look like they are a match off a same bike,the previous owner must have wanted a heavier front end with twin discs to hold the weight of the full fairing.wonder if he reduced the size of the back sprocket to give more top speed rather than acceleration for touring? just a thought,thanks guys

48
What is it? / Re: mystery front wheel
« on: June 22, 2015, 09:08:32 PM »
took this pic of the rear wheel drum side and sprocket side,inner drum is marked 118mm,would that coincide with shoe size for the cb550? 118mm internally expanding?

49
What is it? / Re: cb550k3 camchain guide
« on: June 22, 2015, 08:55:22 PM »
ye? glad i asked! thats how it came out so previous owner must have forced head down! cheers guys

50
What is it? / cb550k3 camchain guide
« on: June 22, 2015, 11:24:10 AM »
Hey all,been looking at my camchain guide off the 550k3 and thought at first it was ok but looking at pics on google the one`s i seen are all straight? well i could throw this out the door and it`ll hit me on the back of the head so...straight or bent? haha first time working on a 550 so not sure.

51
What is it? / Re: mystery front wheel
« on: June 22, 2015, 11:15:29 AM »
@Hairygit ye i remember the cx with the shaft drive i`ll try googling some of your idea`s,it looks like both wheels came from the same bike and probably forks too.i like the look of these comstars/twin discs their clean and tidy and should look good when its all back together with the black/chrome/alloy engine plus i like the extra braking power of the twin.i`ll take some pics of the back wheel today see if it helps,cheers guys

52
Project Board / Re: cb550k3 ongoing project
« on: June 22, 2015, 11:07:59 AM »
thanks bryanj i`ll be taking the back wheel off again today so i`ll check for markings,@mathew i`ll google and see if they match up cheers

53
What is it? / mystery front wheel
« on: June 21, 2015, 12:15:33 AM »
Hi, anyone any idea what this twin disc front wheel could be from? its a close match to a 400n except it has less (and larger) spacings around the centre of the disc than the 400.it is 19" front 18" rear with drum.if i know what it is i can renew the fork seals and the rear shoes which lost its linings to corrosion thanks

54
Project Board / Re: cb550k3 ongoing project
« on: June 21, 2015, 12:00:25 AM »
meant to say "twin"  not thin discs on the front! lol

55
Project Board / Re: cb550k3 ongoing project
« on: June 20, 2015, 11:59:31 PM »
Thanks Bryanj, thin discs on the front,i had a look at a pic of a 400n and although they are very close, the spacings on the disc are smaller on the 400n and more of them? the rear wheel is 5 star alloy same as the front,i could measure the inner diameter of the rear brake housing or is there a way to measure the shoe size?

56
Project Board / cb550k3 ongoing project
« on: June 20, 2015, 11:11:37 PM »
Hi All,been a while since i was on due to other commitments,started getting back into the bike,no4 piston was seized and i broke a ring trying to free them up so will replace all rings on all pistons,cylinders are all fine.since the whole top half was removed i decided to take the rest out of the bike to thoroughly clean up the frame.it would appear the whole frame was at some point "coated" with some sort of durable long lasting coating which after 25+ yrs is still perfect! no idea what it is but its amazing stuff.In the process just now of scrapping away all the loose black enamel from around the engine prior to respaying with more enamel.still trying to figure out what front end was put on the bike so would welcome any thoughts thanks.the left fork seal leaks slightly so wanna replace that and was stunned to find the rear shoe friction linings had came off and stuck to the inner drum! so need to find out how to measure those so i can replace.Thanks for all the previous help/info.

57
CB500/550 / Re: purchasing piston rings?
« on: January 04, 2015, 11:10:08 AM »
cheers trigger i`ll look into that|

58
CB500/550 / Re: purchasing piston rings?
« on: January 01, 2015, 07:46:14 PM »
Thanx trigger/john £16 a set? cant complain at that price,thats interesting about taking the glaze of the surface of the bores i remember reading something about that a few yr back,suppose it would help to bed in the new rings? i fitted new rings to a cb125t yrs ago but did not rub down the bores,seemed to run fine but guess it wont hurt,cheers guys

59
CB500/550 / purchasing piston rings?
« on: January 01, 2015, 06:24:44 PM »
Can anyone recommend where to buy a full set of rings for the 550k3? took the whole top half off and almost all is in really good condition,rockers/arms/camshaft were well lubed as was valves,however no4 piston was seized due to bike being laid up,first compression ring,it was seized fully shut (broke when trying to remove after 2 carefull hrs!)  2nd ring was seized half way round,scrapper was fine so gonna replace all rings,bores seem perfectly ok and oiled,bike has only 23,000 genuine miles so parts should have been relatively good, but where to buy rings from? i have seen some jap imports from ebay on the go??  any info most welcome thanx

60
CB500/550 / Re: camshaft valve timing
« on: December 19, 2014, 02:34:09 PM »
Thanks guys,when i say no3 carb was spitting back i actually had the air filter box off at the time,had just set float heights and was checking for leaks when i noticed my palm getting wet when turning engine over or would be normal with the air box off? half expected no3 inlet valve had a bad seat but all was well

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