Kawi2strokes.com Forum

Location updated, thanks for the tips.

If these have been modified they did a great job.

Those look like unmodified H1 Wirges chambers to me. What's the head pipe OD, and what do the cylinder adapters look like? S2 Dencos have 1-5/8" OD head pipes. Also, were there any extra hanger pieces, or do the ones on the chambers fit the rear peg mounts directly?

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If it surges, that's normal, upshift.

I'll get a pic of the cylinder adapters and measurement.

There was a ~2" long black steel hanger on the peg and the chamber attached to that.

If these are H1 chambers it couldn't have run all that great i imagine?

1-3/4 OD head pipes

OK I see. Your cylinder adapters are effectively reducers. Maybe Wirges made some of them that way for the small triples, I don't know. The chamber ID page for Wirges on the resource site shows S2 chambers with 1-5/8" head pipes, and the adapters aren't reducers. I guess you could ask Bill, I think he's still around. As I said before, it doesn't really matter if you already know yours have the bad internal baffles.

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If it surges, that's normal, upshift.