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Fb plover gear ratios

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Fb plover gear ratios

Post  Les-27 on Tue Aug 23, 2016 1:11 pm

Hi can anyone tell me the standard sprocket sizes for my 1958 AMC 150 plover it currently has a 46 tooth rear which doesn't feel correct ,once I select 3rd she just bogs down thanks in advance

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sprockets

Post  piston 197 on Tue Aug 23, 2016 3:40 pm

It should not be 1958 with an AMC engine ?? first model 86 was August 1959 ?? before then they were Plover 78 with Villiers 30C engine ??
rear sprocket should be 46teeth and gearbox should be 16teeth, I have new gearbox sprockets if you need one ?

JH
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Re: Fb plover gear ratios

Post  Les-27 on Tue Aug 23, 2016 3:48 pm

Hi thanks for the speedy reply, according to the dva the bike is 58 registration Cpt814? It seems to be matching numbers. thanks for sprocket info I must check front sprocket size maybe that's the problem

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DVLA I despair !

Post  piston 197 on Tue Aug 23, 2016 4:15 pm

CPT registrations with letters first were issued in 1937 and again in 1959 with CPT following the numbers?? so if yours is CPT 814 it has a pre-war registration number? Issued in Durham before the second world war ? are you sure you have the registration the right way round ? and it is not 814CPT which would have been issued between January and march 1959, ( still too early for an AMC engine Plover ?)
Check your frame Number
Z = 1958
A =1959
B = 1960
First model 86 Plovers started with a "B" and were1960 models available from August 1959
JH
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Re: Fb plover gear ratios

Post  Les-27 on Tue Aug 23, 2016 4:30 pm

That's the reg on my tax book, and when I type the reg on the dva website it shows cpt 814 as 1958? Bit of a mystery machine! I will check engine and frame numbers when I'm home i could send you a picture of the bike but not sure how. Thanks for the help

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1958 ??

Post  piston 197 on Tue Aug 23, 2016 4:41 pm

Curioser and Curioser said Alice

it indeed does come up as manufactured 1958, it also comes up with a first registration date of 24 Jan 2012 ? and a non standard colour of Blue
Heaven forbid DVLA have an error, who would believe it ?

JH
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Re: Fb plover gear ratios

Post  Les-27 on Tue Aug 23, 2016 4:50 pm

The man I bought it off painted it blue but done zero mechanical work I bought as a non runner and after a lot of hours work have it running well apart from the gearing issues might try a 50 rear it already has a 14 front sprocket the reg is probably worth a lot more than the bike lol 😁

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14 tooth?

Post  piston 197 on Tue Aug 23, 2016 4:53 pm

should be 16 tooth, 14 is way under geared and should pull 3rd gear easily ?
JH
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Re: Fb plover gear ratios

Post  Les-27 on Tue Aug 23, 2016 4:59 pm

She pulls really well In first and second nearly feels racey then once you hit 3rd dead as a stamp lol could it be a gearbox issue?

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unlikley

Post  piston 197 on Tue Aug 23, 2016 5:17 pm

Unlikley to be a gearbox issue as tight bearings etc would be turning in each gear ? top ratio in all AMC gearbox is one to one ratio and cannot be altered
Gearbox sprocket should be 16Teeth and rear wheel should be 46 Teeth , as far as I know there is only one size of engine sprocket
JH
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Re: Fb plover gear ratios

Post  Les-27 on Tue Aug 23, 2016 5:26 pm

Thanks for all the info I think I will order a 50 rear n see what that does cheers 🍻

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Re: Fb plover gear ratios

Post  Jack Clegg on Tue Aug 23, 2016 9:23 pm

Sounds like an age related plate issued in 2012.
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Re: Fb plover gear ratios

Post  Les-27 on Tue Aug 23, 2016 9:33 pm

I was thinking that but would the tax book not state age related plate,would this be because the dvla sold a lot of registrations that weren't on the road?

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not an age related plate

Post  piston 197 on Wed Aug 24, 2016 4:44 am

No it will be a retained number as CPF was a Durham issue, not an age related plate , albeit issued in 1937 ?? possible DVLA typed it the wrong way round ? as 814CPF would be a 1959 issue ?

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Re: Fb plover gear ratios

Post  Jack Clegg on Wed Aug 24, 2016 9:25 am

The 2012 issue date makes it look like age related, plus it is usual for DVLA to issue age related plates which did not exist for the given year. I got three age related V5Cs here & they all follow that format. Only one states "non-transferrable" though, which I thought applied to all age-related issues.
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age related plates

Post  piston 197 on Wed Aug 24, 2016 12:35 pm

DVLA only issue unissued numbers ( usually Scottish) CPT was issued by Durham Council in 1937 and would not have been re-issued as an age-related number, the date of 2012 is standard practice for registration when re-issung old number when an exact registration date is unknown, Had it been re-issued from an old RF60 an exact registration date would be known, in 2012 you could get a number re-issued from a tax disc, I guess someone had an old FB tax disc from a much earlier machine and used it as "evidence" as the registration No .of this bike. Obviously it is not possible that a 1937 registration would be on a post Sept. 1959 bike, but DVLA are not bright enough to look up the registration issue and queery it, ?
THIS IS WHY YOU CAN NO LONGER USE A TAX DISC AS EVIDENCE OF ORIGINAL NUMBER

I have been the FBOC dating officer since 1994 and have seen more scams than most, this number must have been allocated with some trickery ( probably an old tax disc) , but it is now on the bike and that is that
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FB Plover Ratios and Age related plates

Post  colk2004 on Wed Aug 24, 2016 8:56 pm

Not sure what the 2012 date is but I got it on my Bantam. Used a V62, 25 and the engine and frame number to get the original reg (not known as no V5 and reg plates missing) which I was lucky in that the bike had last been on the road in 1983 so just got onto the DVLC computer system. V5 and reg number came back in the post. 1967 original reg (checked through the club) and first registration date of 2012!!! Queried it and it was altered to historic so now the bike is 'taxed' as expected. Who knows the machinations of the DVLA?

Cheers Colin
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Re: Fb plover gear ratios

Post  Les-27 on Wed Aug 24, 2016 9:26 pm

Thanks for all the info on the reg guys. I was thinking the 2012 date might have been when she came here from the mainland. I ordered a bigger rear sprocket today, I hope that makes it more usable as I really like the wee bike cheers les

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Re: Fb plover gear ratios

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