King of the IT crowd

Put two off- road­ers to­gether and the first ques­tion from ei­ther is gen­er­ally “What’ve you got on the go at the mo­ment?” This is of­ten fol­lowed by “You’re do­ing a WHAT!?” Oc­ca­sion­ally, it is “Oh, one of those…” but more of­ten it’s “You must be mad.” You c

Classic Dirtbike - - Contents - Words and pics: Tim Brit­ton

Assem­bly pro­gresses as a prob­lem is solved and more in­for­ma­tion comes the edi­tor’s way.

One of the things about a re­build is it’s easy to for­get stuff, ob­vi­ously the faster a project is com­pleted the bet­ter it is and the less chance for the ‘now, where does that bit go…?’ sce­nario to arise. In a per­fect world ev­ery­thing would be avail­able and we’d all have time to de­vote to our project and when we went to var­i­ous ser­vice providers we would be first in line. Does any­one live in such a world? I know I don’t and while the sup­pli­ers and helpers in­volved in this project have been bril­liant, they’re not at our beck and call and if there’s a hic­cup at our end it de­lays things at the other.

One such hic­cup was in the car­bu­ret­tor, which has a few clips and springs in var­i­ous

places, very small springs of the sort of size that makes those ones in a ball­point pen look like rear damper springs. This par­tic­u­lar carb spring is in the float nee­dle area and af­ter read­ing the strip-down in­struc­tions, which warn of the spring and to take care when strip­ping the in­stru­ment, I worked care­fully, but not care­fully enough though, as it sprang out of the re­cess it was in, bounced twice on the bench and hit the work­shop floor to be for­ever lost… yes I did try to find it, know­ing full well there wasn’t a hope in yon place’s chance.

Why did the carb need strip­ping? Well, given the state of the rest of the bike, good­ness knows what the in­ter­nal drillings would be like so, apart it came and off to Chris Clay­don at CC Clean Carbs, where his sonic bath would make sure ev­ery­thing was pris­tine in­side. This process never fails to amaze me and watch­ing the muck come out of a car­bu­ret­tor that was thought to be clean is an eye-open­ing sight. Just in case you’ve not seen the fea­ture we ran on carb clean­ing sev­eral is­sues back, what hap­pens is the part that needs clean­ing is placed in a tank of so­lu­tion, the sonic de­vice is switched on and sound waves cre­ate mi­cro­scopic bub­bles that agi­tate dirt, crud and the like from hard to reach places, such as carb pas­sage­ways. Un­like blast­ing or squirt­ing with an aerosol cleaner, the sonic process pulls stuff out of drillings, whereas blast­ing or squirt­ing will tend to push stuff through.

But in or­der to do this the carb has to come apart and I guess we’ve all had that sink­ing feel­ing of watch­ing a tiny com­po­nent fall through a gap in the floor or down the back of the bench or wher­ever. Still, the spring, or rather the float nee­dle valve assem­bly with the spring in it, is a stock item… usu­ally. One thing I knew wasn’t go­ing to hap­pen when re­assem­bly took place was any chance that bits could be lost. These tiny bits re­mained se­curely in their pack­age un­til one evening I com­man­deered the util­ity at home, cleaned all the work­top off, laid out a sheet of off-white pa­per – ac­tu­ally a roll end from the Mor­tons Print depart­ment and about a me­tre wide at what­ever length you want – tucked the edges up to make pa­per

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