Recent content by Windy

Hi, I’ve got a 1982 DOHC & I’ve broken down & stripped the carbs. I’m running it with the stock air box & a K&N filter. The jets are 107 & 68, are these the right size or not? The other thing is that in 2 of the carbs the 107/68 jets are switched around! Now, which orifice should they be in ...

Hi people, I’ve broken the bank of carbs down to individual carbs & I’m stripping them now. The jets are numbered 107 & 68 in all 4 carbs. My questions are: is the 107 jet too big? Standard should be 100. Also, in 2 of the carbs the jets are in different positions to the other 2, So which is...

Thanks amc, don’t think I’ll bother with that then. As it happens I’ve bought a nearly new 6ltr ultrasonic cleaner today off eBay (bargain at £48.50) . What do you guys recommend I add to the water in it, to aid carb cleaning? Any advice/experiences? Cheers Windy

Hi all, you guys in the States seem to mention Pine Sol for cleaning carbs, does anyone know what the UK equivalent is please? I’m going to strip mine right down for a proper clean & want to soak each individual carb . Cheers Windy

Hi Chris, my van is a 1972 with a 1275cc engine, Weber carb, cooper s discs, hi lo suspension, straight cut gearbox, big exhaust etc. It’s a full nut & bolt resto!! So I’m trying to get the bike sorted & on the road so I can ride it this summer, then I can concentrate on the van. Lots to do...

amc, yeah I read that & was thinking of bypassing them as suggested in the manual. Seems like an added complication to me! I have a compressor in the garage, so can blow jets out etc. It’s just that an ultrasonic cleaner might get to places that other methods can’t. If I bypass the air cutoffs &...

Thanks amc, you know your stuff don’t you? I was thinking of buying an ultrasonic cleaning machine to do the carb bits in, I’ve also got a Morris Mini van that I’m restoring so I reckon I’ll get some use out of it. Has anyone experience of one of these ? Do I need one with a heater? Thoughts...

Thanks for that matey, I’ll take the bowls off & have a look. Cheers

Thanks dirtdigger, so should I buy a kit without jets then? Just o rings, springs, gaskets etc. Would save me some money. What do you think? Cheers Windy

Thanks guys, that’s what I’ll be doing then. I took AMC’s advice re valve clearances so I’ve downloaded & printed the McGregor guide which is 42 pages of comprehensive info. Guess it’s just a case of being careful & methodical. What size jets do I need for a stock rebuild? ( using the air box...

Hi, I’ve got a 1982 750F DOHC & have just sorted the valve clearances. The bike runs better now but the revs are all over the place & it doesn’t go back to tick over immediately and it’s running rich. I’m presuming the carbs need overhauling. Now, do I have to break them down to individual carbs...

Hi all, thanks for all the replies. Just to let you know I’ve sorted the valve timing out & have 4thou on all 16 valves now!! I did a compression test yesterday & got 135 on all 4 cylinders, before I did the valves #3 was 105 (obviously valves being held open) . Just got the carbs to sort now...

Thanks AMC, I’ve since found out that it’s the inner cable that revolves at 2240 rpm at 60mph. I’ve just bought one that was fitted to a 1980 cb750 & worked ok ( mine is a 1982 F), so we’ll see. Thanks again. Cheers

Now then people, I’m cleaning up the bars on my 750 & want to fit a custom speedo. I’ve seen a few on eBay & some state ‘60mph = 2240 rpm’ They are mechanical & use the speedo cable. My question is, would this be accurate on a 1982 CB750F? Does the motor run at those revs at 60mph, in top gear...

Great advice Wes. You’re right, musical shims is a fun way to while away those long dark evenings!!😖