Help needed with engine number

kevmc L plate rider. Posts: 18	Help needed with engine number Jan 18, 2022 1:13:26 GMT 1 Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by kevmc on Jan 18, 2022 1:13:26 GMT 1 I have the bottom end of what i think is an air-cooled RD250/400 does anyone know the model from the engine number 352-603538? Many thanks Kev

pdxjim Living the LC life Portland, Oregon USA! Posts: 868 Member is Online	Help needed with engine number Jan 18, 2022 1:34:28 GMT 1 Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by pdxjim on Jan 18, 2022 1:34:28 GMT 1 352 prefix is a 1973-75 RD250. hvccycle.net/yamaha-rd250-engine-352-207295/
	Wasting time on 2T forums since the dawn of the internet. TDR250, 4U0 RD350LC (sold), KTM 300xcw, KTM 690smcr.

reedpete LC Hooligan Posts: 2,339	Help needed with engine number Jan 19, 2022 1:57:09 GMT 1 Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by reedpete on Jan 19, 2022 1:57:09 GMT 1 351-6 is a EU/UK , RD250A , 1974 . 3538 off the line so mid production Delivered as 5 speed but convertible to 6 although 6th is an overdrive ..