Emergency Pull start - Page 3 - Yamaha Kodiak 700 Forum
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post #21 of 24 Old 11-02-2019, 12:47 AM
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Originally Posted by TRW View Post
Vincent, is there a way to engage the decompression? My 91 Honda 4Trax 300 has a back up kick starter, and it has a decompression lever on the head that does make it much easier to kick and start.
You can't Manuel control this style like older bikes.

It's fully automatic decompressor. It's always on I.E. releasing cylinder pressure on the compression stroke, until your engine fires and revs higher then starter speed. Then centrifugal force retract the decompression pin before 1600 rpms idling speed.

Here is the centrifugal mechanism for the decompression pin on the 558 and 686cc SOHC engines
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2009 Grizzly 550 Special Edition, Red Midnight Armour, EPS, 26"Pitbull Growler BG2.5 xor, on 12"polished alloy SE wheels with 1"spacers, Yamaha overfenders & windshield, Heat Demon grips & thumb warmers, 2500lbs Warn winch, two up seat / storage box, Moose rear bumper, Gold Plugs in diffs & engine, COOP45 machined sheave + 0.5mm shim (3.1:1), 18 gram weights, EPI Orange spring

Last edited by Vincent; 11-02-2019 at 01:05 AM.
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post #22 of 24 Old 11-02-2019, 11:03 AM Thread Starter
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Ah ha! Real information! Thanks Vincent

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post #23 of 24 Old 11-02-2019, 09:32 PM
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Yes, thanks! So when the engine is stopped it resets to decompression setting?
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post #24 of 24 Old 11-02-2019, 09:46 PM
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Quote:
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Yes, thanks! So when the engine is stopped it resets to decompression setting?
Exactly... somewhere at a certain rpm below idle, the decompression system is activated no matter what!
If your engine ain't running you compression stroke should be decompressed...

2009 Grizzly 550 Special Edition, Red Midnight Armour, EPS, 26"Pitbull Growler BG2.5 xor, on 12"polished alloy SE wheels with 1"spacers, Yamaha overfenders & windshield, Heat Demon grips & thumb warmers, 2500lbs Warn winch, two up seat / storage box, Moose rear bumper, Gold Plugs in diffs & engine, COOP45 machined sheave + 0.5mm shim (3.1:1), 18 gram weights, EPI Orange spring

Last edited by Vincent; 11-02-2019 at 09:50 PM.
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