alanwcoote Posted April 18, 2020 Report Share Posted April 18, 2020 Anyone help with tuning of carbs H4 Rebuilt as per book and double checked, front carb is sucking loads more than rear. How do I reduce suck to bring into line with rear carb? Do I increase rear carb to match front ?. How then do I get tick over to 700 ish , at moment it’s at 1600 mostly of front carb . Your thoughts gents Al Quote Link to post Share on other sites
Lebro Posted April 18, 2020 Report Share Posted April 18, 2020 Check that the link joining the 2 throttles allows the front carbs butterfly to fully close. Start you adjustments with the clamps on that link loose. Bob Quote Link to post Share on other sites
RobH Posted April 18, 2020 Report Share Posted April 18, 2020 As Bob says. Some instructions here: https://sucarb.co.uk/technical-h-type-carburetter-tuning-multi Quote Link to post Share on other sites
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