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heres are my 2 1981 Yamaha srx 440 freshly rebuild top to bottom

those look to be in fantastic condition. Nice

Speednutt wrote:those look to be in fantastic condition. Nice

thank you

that first engine picture is a 540 isnt it? it has 38's (not that means much) and the water comes straight out of the head instead of the 90 degree bend that the 440 has... either way they look pretty nice

tyler440 wrote:that first engine picture is a 540 isnt it? it has 38's (not that means much) and the water comes straight out of the head instead of the 90 degree bend that the 440 has... either way they look pretty nice

thank you and yes it does have a 540 motor in it and my other srx Im also putting a 540 motor in it as well

i dunno the srx with the 440 motor looks pretty clean to go putting a 540 in... you might think about keeping it stock, its your call tho

tyler440 wrote:i dunno the srx with the 440 motor looks pretty clean to go putting a 540 in... you might think about keeping it stock, its your call tho

the only reason why i am putting a 540 in it is because the water pump seal failed same as the head gasket failed only road it for about 1hr that was it did not start again after that. i am going to use the 540 for now until the 440 gets fixed

Great sleds!! Nice to see the OEM clutch on one! Just rebuild that YP every 100 miles and you will be fine

Justin wrote:Great sleds!! Nice to see the OEM clutch on one! Just rebuild that YP every 100 miles and you will be fine

Thanks