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Old 04-13-2010, 04:53 PM
fredmullegun fredmullegun is offline
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Kawasaki FH vs FS engines

I found a link about the FS engines saying

Quote:
FS Series engines are certified for CARB Tier III and EPA Phase III emission standards for 500 hours of operation.
http://www.outdoorpowerequipment.com/ME2/Audiences/dirmod.asp?sid=43E91E7F6E244F4C9357F73BE3523C30&nm=News+and+Features&type=news&mod=News&mid=9A02E3B9 6F2A415ABC72CB5F516B4C10&tier=3&nid=893880EBE2784954A424CA3585ACE453

Exmark uses these engine on their Metro now when they used to use (I think) FH series.

Is this a downgrade from the FH series? Scag just claims they use a Kawasaki KAI 16hp anyone know if it is also the FS series?
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Old 04-13-2010, 09:32 PM
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Restrorob Restrorob is offline
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You can go here; http://www.kawpowr.com/engines/index.aspx

And compare them for yourself, The FS has the same warranty as the FH series. The 500 hr compliant thing is for EPA, After X hours of wear any engine can fall slightly out of EPA standards....
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Old 04-13-2010, 10:48 PM
fredmullegun fredmullegun is offline
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They have the same rating for trimmers though. Commercial is 300, home owners are 50.
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Old 04-14-2010, 07:41 PM
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RonAyersMotorsports RonAyersMotorsports is offline
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FH and KAI engines are intended for commercial use, misuse, and abuse. The FS and FR series are a downgrade. If I remember correctly. Most FS and FR series are usually found on more residential equipment.
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Old 04-14-2010, 10:44 PM
pugs pugs is offline
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The new engines use pretty much all the same blocks/heads. The FR's usually get a cheaper single barrel carb and filter. The FS is a step up, cant remember if they are double barrel but this is the line you will see on most walkbehinds or low-mid level ZTR's. The FX is the top of the line with double barrel carbs, DFI, canister air filters...

Like I said though the internal engine is the same...just different carbs/air filters for the most part.

FH is going away like FC and FB before it did.
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