Recent posts

#91

Turning Wrenches / Re: Testing for Charging Issue...

Last post by BlueR32 - October 09, 2026, 04:06:43 PM

hey BlueR32, did you get it installed yet? those m3 screws that hold on the pick up will strip so damn easy, guess why they send ya 2 sets. I advanced my timing to 1.9ish mm BTDC  because of the hotter spark. I also used a protractor to get that 1* on the nose/raised section and marked it . 15 ftlb on the retaining nut if you bought the upgraded bolt/washer .

Thanks for the tips! Mine is still a work in progress. I had a time of it trying to get the stator backing plate to sit flush on the crankcase. Long story, but it turned out to be a minute amount of 3-Bond excess where the crankcases join at the rear that needed to be trimmed down. I have also just finished drilling and tapping the secondary stator plate for the extra two screws that have been recommended. I had a list of questions for John at Economy Cycle which he was happy to walk through with me on the phone. He also recommended 15 ft/lbs on the rotor.

#92

Turning Wrenches / Re: TIRE SIZES?

Last post by axldk6 - October 09, 2026, 03:52:45 PM

well ok then . stock sizes it is, and thanks, this bike is so close to being a daily  

#93

Turning Wrenches / Re: 1500 mile Mitaka (Yambits)...

Last post by JKV45 - October 09, 2026, 02:37:30 PM

What oil are you running?

#94

Turning Wrenches / Re: TIRE SIZES?

Last post by RDnuTZ - October 09, 2026, 01:38:09 PM

there was another lengthy discussion about wider front tire recently. Can't remember poster name but he had already mounted wider tire and was looking for a fender to fit.

#95

Turning Wrenches / Re: TIRE SIZES?

Last post by m in sc - October 09, 2026, 12:49:59 PM

itll fit but not handle as well.  also the ft tire will be hard to get on and out w the fender

#96

Turning Wrenches / TIRE SIZES?

Last post by axldk6 - October 09, 2026, 12:27:21 PM

ok, installed vape system. worked carbs ( very close now), 100 miles TNT, now for new tires. Question is can I run 100/90 on the front ( 90/90 stock). and 110/90 on the rear (100/90 stock)? 1974 RD 350, with out fitment issues? seems like 10mm should not rub anywhere? have I answered my own question?     

#97

Show Off / Re: RD350B in the Valley

Last post by 2 Smoker - October 09, 2026, 12:25:27 PM

Gorgeous.

#98

General Chatter / Re: Another USPS rant

Last post by 2 Smoker - October 09, 2026, 12:20:32 PM

Glad you did not get nailed.

#99

Turning Wrenches / 1500 mile Mitaka (Yambits) pis...

Last post by 1976RD400C - October 09, 2026, 10:19:04 AM

2 years and 1500 miles after new pistons I noticed my hot rod slowing down. Torn it down and here is what I found. The left side was running a bit hotter according to my cylinder head temperature sensors. Rings were shot, top ring on left side had a .050" end gap, right side .035". Lower rings were hanging in there ok. Left piston .0025" smaller than new, right side .0015". Cylinders have a little wear that the hone marks are gone below the intake and exhaust ports. A quick hone and I think they will be ok. Between the worn pistons and maybe a bit in the cylinders the piston clearance was at .004". New pistons and I should be ok but I'm checking them 1000 miles next time. This has at least stage II porting and gets ridden kind of hard (9500 rpm). 

#100

Turning Wrenches / Re: Testing for Charging Issue...

Last post by axldk6 - October 08, 2026, 01:45:26 PM

hey BlueR32, did you get it installed yet? those m3 screws that hold on the pick up will strip so damn easy, guess why they send ya 2 sets. I advanced my timing to 1.9ish mm BTDC  because of the hotter spark. I also used a protractor to get that 1* on the nose/raised section and marked it . 15 ftlb on the retaining nut if you bought the upgraded bolt/washer .