In a message dated 6/4/2003 12:08:07 PM Pacific Standard Time,
rparigor@suffolk.lib.ny.us writes:
> I must admit i never worked on a 914, but am Ok with motors.
>
> A few questions:
>
> How many hours on motor?
>
######## 65 hours
> You running MoGas or 100LL?
>
#### mogas
> Do you have a EGT, and is it running hot?
>
Two cylinders have a big EGT rise when on single mag - can't be traced to any
component other than the plugs and wires - Plug #3 A circuit and #4 B
circuit.
> Is turbo working OK?
>
#### Yes - seems to be
> Did you check timing?
>
The timing is a fixed deal with pickups on the flywheel - no adjusting
possible......
> Could it be a carburation problem? I have a BMW R-100GS that uses Bing
> constant
> velocity carbs, and carb snot is a problem. For Hahas, try a mag check with
> the
> enriching circuit in rich mode and see if it makes a differance.
>
##### I checked the balance of the carbs -- they needed balancing. I thought
I had solved the problem. The run up is even worse with almost complete
cutting out on the A mag.
> Is drop worst when motor is hot compared to cold?
>
#### Seems to be worse when cold. When I first started today, O thought is
was extremely smooth -- the a lousy mag check again.
> Please don't take insult, did you try new plugs, that are at the proper gap
> and are
> of the correct heat range, and are properly torqued down?
>
#### yes to all.........
> Again i am not an expert. For my own knowledge, i would try having 1 mag
> run on 4
> cylinders and the other run on 3 cylinders to see what a dead cylinder does
> to the
> drop. I would not run it with out grounding the dead cylinder wire. On some
> ignitions you can damage without grounding.
>
### thank you for the inputs. The great mystery continues and I age yet
another day!
Dave
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