'57 Super Meteor with wrong HDX728 gearbox

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'57 Super Meteor with wrong HDX728 gearbox#84096

By weedsy - Sun Jul 14, 2019 12:38 pm

- Sun Jul 14, 2019 12:38 pm #84096

Hi - Weedsy in trouble again - I only wanted to check the gearbox oil level on the "new" bike . . . it's not the right gearbox checked against our host's parts list. It's stamped HDX728 (but the 72 could be overstamped on top of an original 27 for the first two numbers, both are legible. A later 350 Bullet 'box has been suggested.
Three problems - I don't know what the contents should be (grease/oil mixture, 20/50 to top up as per our hosts?) but more importantly, it doesn't seem to have a level plug in any of the locations (right or left of the casing) shown in the various gearbox parts illustrations I have found - and finally, what if I need parts???
Hope someone can help . . . .

Re: '57 Super Meteor with wrong HDX728 gearbox#84101

By vince - Sun Jul 14, 2019 8:23 pm

- Sun Jul 14, 2019 8:23 pm #84101

Hi, from the position of the filler cap which if further back than normal, there should be a dipstick attached to it. Normally the box was filled with grease/oil on assembly then subsequently topped up with oil. Vince.

Re: '57 Super Meteor with wrong HDX728 gearbox#84107

By weedsy - Mon Jul 15, 2019 1:44 pm

- Mon Jul 15, 2019 1:44 pm #84107

Hi Vince - thanks for that - I've got our hosts looking to identify the 'box; apparently, HDX 278 could be the correct 'box. 728 could be a corrected stamping error I'm waiting for confirmation. In the meantime, I'll be hotfoot over the garage this evening ready to feel a right prat for not thinking of a dipstick (but like one!)
The lube thing reminds me of packing Burman gearboxes with grease and then oil in days long gone by - then just oil for topping up. Thanks again, Weedsy

Re: '57 Super Meteor with wrong HDX728 gearbox#84110

By weedsy - Mon Jul 15, 2019 5:01 pm

- Mon Jul 15, 2019 5:01 pm #84110

Update for Vince - spot on! Allan at our hosts confirmed the box HDX278 is the probably the right one for my Super Meteor, and has a dipstick attached to the filler plug. I had discounted this possibility because I was looking at parts lists for other gearboxes and thought a dipstick would foul the internals . . . . too clever for my own good!

No oil showing on the dipstick, so will top up with 20/50 for the moment until mixing up some oil/grease, draining and refilling. Apparently, there's often a leak from the kickstart shaft, so that may need sorting as well . . . . thanks very much for your help.
Cheers, Weedsy