Jetting changes are needed when fitting aftermarket sports filters, upgraded cylinder kits, sports exhausts etc along with the usual upgrade when completing the basic derestriction.
Please quote the jet size needed in the notes section during the check out
All jets and jet packs are none returnable under any circumstance so it is important that you check the jet type being ordered is correct for your carburettor type before any orders are placed or contact us for any help needed.
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