Matching numbers

[trog]

Just got a rd all numbers match except the last three, frame ends 710 engine ends 699 is it common for them to be that close together but not completely match, a do think the bike was imported at some time but not sure where from.........thanks for any help 👍

[stusco]

It’s not matching they should be the same

[marrcel]

Mmm here
frame 002016
Engine 002008 its so close. Any other explaination in production proces?

[midlifecrisisrd]

Just means the replacement engine came from a bike very close

I've had a couple of "close" matching bikes

As in 2 separate matching number bikes but a few hundred out

Steve

[trog]

Ok thanks..... doesn't matter to me, how much difference in value does it make

[museumman]

I think Yamaha stamped the engines whilst in the bike to match frame. You sometimes see wonkey engine numbers. They should be matching.

I've had a Honda that was original un-touched that had an engine that was 1 or 2 numbers out. Possibly stamped on a diffeent line.

[petenofear]

Very interesting topic

I have a Rd125lc mk2 frame sat in garage and I have a ypvh engine not from this frame

But number on frame
And engine number the same but 1 number out

Both gm 00
But was unsure if the ypvh engine should have been in the gm and in the mk2 Frame

[bertiemollie]

Oct 12, 2018 20:29:14 GMT 1 petenofear said:

Very interesting topic

I have a Rd125lc mk2 frame sat in garage and I have a ypvh engine not from this frame

But number on frame
And engine number the same but 1 number out

Both gm 00
But was unsure if the ypvh engine should have been in the gm and in the mk2 Frame

Mk2 UK RD125LC numbers start 1GM. 1GM is a non power valve model.

[petenofear]

Just been looking I must have a m2 bottom engine with ypvh head on it then 

I get some photos up 

[petenofear]