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Aircooled RD Tech Help 250cc and Above / Re: RD250 heads.
« Last post by Pom007 on Today at 07:43:03 PM »
Thanks Mark for the info.
Thank you, Tore.  I will start digging in and report.
Aircooled RD Tech Help 250cc and Above / Re: headlight dim
« Last post by mts on Today at 09:49:10 AM »

well someone else is probably trying to work out mine  so i guess what goes around  :P
Aircooled RD Tech Help 250cc and Above / Re: 1974 RD350 battery connections
« Last post by tore on Today at 09:30:04 AM »
The power to the coils goes from ignition switch via kill switch to the ignition coils. Check that the kill switch is in good shape and in on position.
Measure that you have voltage to the coils.
Check cabling from coils to the points.
Check that the points moves and that the points is clean. Check state on the condemsers.

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Aircooled RD Tech Help 250cc and Above / Re: headlight dim
« Last post by Gr8uncleal on Today at 09:26:04 AM »
Yes, we could probably all write a chapter, if not a whole book, on previous owners' "fixes"!
Aircooled RD Tech Help 250cc and Above / headlight dim
« Last post by mts on Today at 09:01:34 AM »
 working on the bike this weekend to try and solve an issue of the low beam being very poor when i had a eureka moment and thought id share if it helps others

well to be honest it was because i had my other very un altered bike next to me to do direct comparisons too really  :o

the main headlight has 3 wires to the bulb holder   black (negative ) yellow High beam  green low beam and these feed the twin filament lamp whose individual filaments are reflected internally to give the low and high ,,you can see the small reflectors that semi enclose the filaments if you look closely at the lamp

on closer inspection  mine was fine on high beam  with one filament illuminated to full brilliance .but when on low beam both filaments illuminated and this being as they were effectively in series  doubled the load and dimmed the output.

i checked the wiring back through the switch but all seemed fine so was a bit puzzled   .. looking at my other bike i noticed the lamp holder was different  so this got me thinking ,and upon checking my problem one i found that although the wiring was connected correctly to the lamp holder from the wiring  ,someone had changed the orientation of the pins in the connector itself (either that or it was one from a different bike with a different standard configuration.)  so on high it was fine but on low beam  the feed was to the lampholder  negative  pin   (common to both filaments)  a quick swap round and hey presto  result

i guess this is the problem with these old machines that have been  pulled apart by lots of people over the years   so the moral is check the basics and dont assume .  hope this helps someone else
The Piston Broke / Re: new tv program monday afternoon this week
« Last post by twostrokelooney on Today at 07:47:36 AM »
oh no ..... the great Alan millyard has sold his soul to a crappy daytime crap programme

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I know what you're saying but it could be worse.
You could be a rotten singer with a well known punk band that sold his soul to make utterly crap butter commercials.... :-[ :-[ :-[ :-[
The Piston Broke / Re: new tv program monday afternoon this week
« Last post by Gr8uncleal on Today at 07:44:30 AM »
Didn't he graft an extra cylinder onto a KH engine live at a motorcycle show once?

I certainly saw someone do that many moons ago.
I'm not a good enough auto electrician to tell you everything that you should test, and in what order, in order to get a spark. Hopefully others will chime in.

Regarding Private Messaging, go to "My Messages" on the menu bar above, hover the cursor above it and select "Send a Message". Start typing my user id into the recipient box (inc capital letters) and I should appear for selection! Then just type in your abuse, I mean message!!


The Piston Broke / Re: RIP Percy Tait
« Last post by Motty on Today at 07:14:30 AM »
RIP Percy
Look at the leathers in that photograph, no thicker than a nylon oversuit!

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