NEW 75 cc cranks!

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NEW 75 cc cranks!

Post  itsjoeyfontane on Wed Oct 24, 2012 4:02 pm

hey,got myself a new 75cc crank from Armandos today...it's top quality with 'v'd big end oil slot,oil holes in little end and little end is bigger... Very Happy

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Re: NEW 75 cc cranks!

Post  daz.h on Wed Oct 24, 2012 4:21 pm

little end is bigger? still able to fit standard gudgeon pin?
how much are they?
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new 75cc cranks

Post  itsjoeyfontane on Fri Oct 26, 2012 1:03 pm

...hey yes..bigger rod end,bigger little end bearing,standard pin....+++! someone will be along soon with their micrometer...LOL.....
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Re: NEW 75 cc cranks!

Post  Godfrey too on Fri Nov 09, 2012 12:01 pm

Now I am a new Luna owner and always thought new cranks were non existent? The crank in mine appears in good nick but I am not the lightest on the throttle and I would like to buy a new one for when mine gives out (when not if). The price seems reasonable but has anyone fitted one and are able to comment on fitness for purpose?

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new crank

Post  boozee on Tue Mar 04, 2014 7:59 am

hi, I just bought one of these cranks but its slightly different to my old one. the old one has a small taper against the web unlike the new one which has the two slots . can I still use the 3 piece bearing and mag housing.cheers.

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Re: NEW 75 cc cranks!

Post  daz.h on Tue Mar 04, 2014 9:42 am

boozy, the crank and 3 part bearing you have are mis matched.
the crank with the taper is for a ball bearing type bearing, the 3 part roller bearing is for use on the non tapered cranks, the mag flange bearings are not interchangeable either, again crank specific.
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new cranks

Post  boozee on Tue Mar 04, 2014 10:27 am

cheers daz, just had another look and scratch of the head.you,re right it looks like the previous owner had fitted the 3 piece bearing to a roller bearing crank, no wonder it was rumbling its tits off when I started it. got all the correct bits now for the rebuild. what size is the woodruff key supposed to be. cheers.

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Re: NEW 75 cc cranks!

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