Thread: Question Saito FG-20 vs FG-21
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Old Jan 12, 2013, 05:44 AM
AeroFinn is offline
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Quote:
Originally Posted by SrTelemaster View Post
The FG21 is $505.

W/the C&H conversion you can convert the FA125 to gas for just a little more than that & have a better ignition system & more reliable carburetor to boot. The system for applying the trigger magnet & hall sensor is much better on the C&H system too. It is much easier to set up & make adjustments than the Saito/RCEXEL system.

C&H originated the synchrospark CDI systems back in 1997. I have 3 of those systems & they still work flawlessly. RCEXEL copied the module (but not the trigger magnet/sensor mounts) to make cheap Chinese knock offs.

FA125 ..........................................$375
CH complete gas conversion kit..$150
Total............................................. .$525

Many end up replacing the module & carb on the Saito FG engine W/the C&H parts to get reliable operation. Why not just go the C&H route W/the FA125 in the 1st place & avoid the added expense/headaches?
I'v been thinking about this route, too.

However, one thing that is confusing is the Zama in conjunction with the FG 20 seems to give about 8100-8300rpm with 16X6 evolution prop as peak according to Adrian's experiments . The original Saito carb seems to perform better what comes to max power output: about 8500-8800rpm with 16x6 apc or equivalent prop according to various tach readings reported?

Why?
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