KZ188 Muffler Update
Well finally found out what these are off - 2006, ZZR250. I have now put them on my 1990, GPZ250 and can report the following,
1. The bike pulls harder right through the rev range,
2. Sixth gear pulls as hard as fifth did before the change,
3. I top my local ‘test hill’ At 125kph where previously it was 110kph.
These have made a previously great bike even greater. I did replace the carb set with a set from a later model ZZR250 last year but it seemed to make no difference to performance other than clear up the idle issues the bike had. Perhaps it needed a matching ZZR exhaust system to bring out the full potential. Don’t know and don’t care, just enjoying the purple patch with this bike!
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Perpetua Culpa Alterna Vagus
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