Thread: Offerings to the gods of speed
12-06-2006, 08:49 PM #1
Offerings to the gods of speed
Burnt this one last sat...#3...5000 rpm lean seizure..nosed over and died,but the ol yamaha started back up and limped me home.
12-06-2006, 08:52 PM #2
Lot of that going around lately I guess.
12-06-2006, 09:05 PM #3
The God-of-speed is a cold heartless bastard.
12-06-2006, 10:23 PM #4
Ouch! thats a nasty one.Looks like #3 striked again.I just lost one a couple months ago.was the wrist pin hard to get out?
12-06-2006, 10:40 PM #5
Notice all the deto due to the seizure...
What causes the 1300s to eat the rear cylinder?
12-06-2006, 10:49 PM #6
incorrect EFI settings,your transfer pot from the low to high speed set with too much delay
running the sound supression in some cases
12-06-2006, 10:51 PM #7
12-06-2006, 10:59 PM #8
On 03-06 EFI boats,the timing stays the same across the board at all rpm.When you install a timing key,add compression,you are pushing things closer to the edge.Thats why some are dropping compression in #3,to decrease the chance of detonation.Its not like the 00-02 boats with the Advent CDI that allows you to program a custom timing curve at different rpms.High compression and alot of timing dont mix.
12-06-2006, 11:04 PM #9
On the 00 to 02 boats the timing on #3 is several degrees less than
1&2. Why would they not keep that for the newer models and what
would cause this? The exaust manifold looks very semetrical and
crank twist would actually retard the third cylinder.
12-07-2006, 06:03 AM #10
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