<![CDATA[Engine differences dtr dtre]]>Could anyone tell me the differences between the engines of the dtr and dtre apart from the electric start and do the different years of dtr have different engines cheers

]]>https://dt125r.co.uk/topic/2475/engine-differences-dtr-dtreRSS for NodeSun, 19 Jul 2026 12:34:20 GMTSun, 08 Nov 2020 04:14:30 GMT60<![CDATA[Reply to Engine differences dtr dtre on Sun, 08 Nov 2020 12:38:58 GMT]]>Some 3bn engines have slightly different inlets, not where the manifold bolts on but inside. The internals have different dimensions that I can only guess is supposed to help flow to the ports...

]]>https://dt125r.co.uk/post/25302https://dt125r.co.uk/post/25302Sun, 08 Nov 2020 12:38:58 GMT<![CDATA[Reply to Engine differences dtr dtre on Sun, 08 Nov 2020 10:28:24 GMT]]>Very early DTR models, 88 I believe, ran a slightly bigger bore cylinder, coded 3BN.

Many DTRs ran a restricted 3BN head.

DTREs ran 3MB head & barrels.

The RE engine ran a different crank, stator and fly wheel cover.

Early DTRs had a different oil pump.

]]>https://dt125r.co.uk/post/25298https://dt125r.co.uk/post/25298Sun, 08 Nov 2020 10:28:24 GMT