My last service was @ earlier 28k. Since sc expect my next service is @ 40k, they split the items:- only replace fuel filter first then spark plugs for next one. Like this my service costs divided more equally lower.

Changed engine oil to semi or fully?

Juz to share my situation on batt. Bought same spec fr iriz brand century marathon at spareparts shop. All in all being priced at rm 175.00..including gst and redeem old batt. Now my iriz run back beatifully and satisfied with those processes 😎thanks guys