SOHC.co.uk Forums > SOHC Singles & Twins
looking for a new toy
Bryanj:
250 generators never had a problem, 400 did have some failures resulting in holed pistons
McCabe-Thiele (Ted):
IIRC the 250 has 4 wires for the CDi unit & the 400 has 6.
There is a firm that repairs them if the unit goes fauty, aftermarket replacements I think are around £180.
I'm thinking Ash is the man who might know what the problem with them was.
Bryanj:
It was the generators went on the 400 rather than cdi or rather pulse generator coils, they strobe up perfect in the workshop but did something odd in use to the timing
McCabe-Thiele (Ted):
My Superdream has done 50k miles so it should have failed by now, was it the early 400N models or did it persist through the variants ? I've read stuff on the SD websites about both the generator & the CDi units, I've no idea of how many actually failed as a % of bikes produced back in the day.
Bryanj:
I had one N model come in with a holed piston, everything checked out fine but Honda technical told me it was a known fault change the generator and Honda had halved the price of the spares, never had the way more common 250 come in like that so can only guess it was 400 only and whilst known of not super common
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