Recent content by Desi_RD350_TX

I finally got my bike back from the RD Specialist. The carbs were ultrasonically cleaned and rebuilt and other minor repair work done ($860 in Repair cost). Also 20 Head dampers and 4 Cylinder dampers were installed to reduce the ring noise when clutch is pulled. I was told that there is no...

I downloaded the Service Manual and thoroughly read Pages 16 to 21 (Cylinder/Piston) and 33 to 36 (Crankshaft). Learned a lot today !! Here is the direct link to the DS7/R5C/RD250/RD350 service manual for the reference. https://www.aircooledrdclub.com/manuals/DS7R5C.pdf

I took a picture of old pistons and made sure that the new piston arrows match the old piston arrow direction. They are pointing towards exhaust. Circlips were fitted properly and small end bearings are new. Ports are chamfered and feel smooth to my fingers. I also installed the correct head...

Yes, The Cylinder was overbored (1.75mm to be exact). I opened the head yesterday and noticed that the pistons don't reach all the way to head gaskets so no question of pistons hitting the inner metal rings of the gasket. I installed the correct size head gasket meant for RD350. Link below...

Yes, they did.

Yes, they did.

Hi All, I need your help in figuring out the engine noise i am hearing after installing the new pistons and freshly bored cylinder kit. My RD350 had an engine seizure due to lack of oil last month and i was hoping that the new piston kit and cylinder boring will take care of this issue. Please...