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Engine numbers??


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#1 adam c

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Posted 22 March 2004 - 05:03 PM

Hi, brought my mini a while back and for some reason the engine number on the log book is only five digits long and is nothing like the one on the engine. I am now not at all sure what engine i have and whther the mileage is genuine as its sposed to have done 55k but the shell looks like its done about 200k!! The number on it is ; 99HB81P139499. Thanks in advance for any help!!

#2 cowboy

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Posted 22 March 2004 - 08:01 PM

engine no's are normally about 6 digits, where did you get the(99HB81P139499) no from, that looks more like a chassis no than an engine no.
to check your engine no, look just below no 4 spark plug and there should be a plate there with a no on it.
as for finding out its history, don't hold your breath sorry :)

#3 Bluemini

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Posted 22 March 2004 - 08:05 PM

The 99HB81 means its a post 1985 Metro engine. All engines from engine number 127432 says its an A+ engine and has ungrooved lower main bearings an no circlip on the gudgeon pins, producing a grand total of 42 HP at the crank.

#4 cowboy

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Posted 22 March 2004 - 08:13 PM

thanks for the enlightenment rich, i will have a closer look at my engine no tomorrow now :grin: :wales:

#5 adam c

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Posted 22 March 2004 - 09:10 PM

Thanks very much guys - another mystery solved. Just wondering now, are these engines just as easy as a mini engine to modify or not, i have another mini and the engine looks absolutely identical? Will it have the same gearbox as a mini and will it be unleaded or not? If its not unleaded can i use a mini unleaded head on it? Thanks very much! :wink:

#6 Bluemini

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Posted 22 March 2004 - 10:35 PM

They are the same engine in the Mini and the Metro, both A+, tho the earlier minis had A series, but they are swapable.




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