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08-17-2012, 04:56 PM #1Junior Member
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Think I screwed myself Yamaha TLR 40 rebuild (3 cyl.)
Well I posted a while back about doing a performance upgrade on my TLR outboard.
Long story short I had several outboard 40 parts and mixed and matched and screwed up which carbs go with which cdi box and stator coil.
So know I have a 40 hp power head .030 over, 1 mm shaved head, 50 hp carbs and 50 hp tuner. CCMS Reeds.
My CDI box was a push to advance and my carbs are pull to open, so when everything is hooked up I am running full advance at idle and as I progress the throttle I retard the timing.
I have heard about disconnebting the cdi box and leaving it around 12-17 degrees advance...
This motor is on a 14' Flats boat that weighs about 320#
TIA
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08-17-2012, 06:14 PM #2
just advance it to the first wot mark on the timing the 40-50hp will live with 21-24 all day
Aquarius Inflatable Yamaha 70 EFI
24 Skater Twin 3.0 300x copies 113mph so far
954-861-1611
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08-17-2012, 07:39 PM #3Junior Member
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and no problems from idle to wtfo and everything in between?
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08-18-2012, 12:42 AM #4Junior Member
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Problem solved, just did some creative linkage modifications and reversed the throw from the throttle linkage and had to spin tps indicator arm 180 degrees and massage the hole a little to fit.....
Revs like a champ and my neighbors are pissed....