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gapping should be done with the rings at the bottom of the bore I have a question about this. Looking at my 3 1/2 Sport barrels, and the wear marks on the bore, I can see the rings do not travel all the way down. They stop about 4cm shy of the bottom of the bore. So, should measuring be done at the...

The "A" should be upside down and on the left.

Regarding the oil seals in the right hand crankcase. Are they just pressed in, or do they require some sort of adhesive?

and indeed 2CV and Burton garages will have a stock of M7 self locking nuts, don't know what DIN rating they are Top They're DIN985's, which are about 1mm shorter than the DIN982's. Having been assured the DIN985's are okay to use, that's what I'll do. I had no problem obtaining M6 & M8 in DIN9...

It's good to know a 8.8 high tensile DIN985 will be okay for the rocker gear.

Uh-huh... none of those are DIN982, they are DIN985. Sheesh, didn't think I'd have to explain it. The M7 nyloc nuts on a Morini are DIN982, or Type P. This means they are a little bit higher than a standard M7 nyloc nut, hence the rarity. Here's hoping some of the knowledgeable people on the forum r...

Where can I buy these?! I've tried Orbital Fasteners, Wentin Fasteners, GWR Fasteners...

It seems these are becoming quite rare...

Trevor
(Australia)

The frame is twisted. Common problem caused by using the kick start with the bike on the side stand. I took my side stand off, and then cut the mount close to the frame (to make it look better). I only use the centre stand now...

Today I tackled another job I'd been dreading - a seized sump plug. After watching Paul Compton's YouTube video, I bought a step drill. Success! I reckon at the exact same moment as in Paul's video the plug tightened, after which it came out very easily. The man's a genius! https://live.staticflickr...

I measured the sleeve and the bearing. Sleeve is approximately 29.97 mm OD, bearing is approximately 29.90 mm ID. So, I have a difference of 0.07 mm. I checked a brand new SKF bearing, and it also measures 29.90 mm ID. What size should the sleeve be for an ideal fit?

It definitely wasn't a "slip fit"! I'll make sure the new bearing is though.

I went out to the garage and looked at the bearing. I then looked at a two jaw bearing puller, ground it so it would fit, and whipped off the bearing!

Question about my crank. It only has one grub screw on one side for the sludge trap. Normal?

Success!! The stainless M6 threaded rod arrived. I looked at it, and wasn't happy with its structural strength. I had a "Eureka!" moment when lying in bed late at night - what I needed was some stainless tube with an ID of just over 6mm. eBay soon had that sorted. It arrived, and I set abo...