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MN_Runner


Location: St. Paul, Minnesota
Joined: Dec 5, 2010
Points: 622

Honda HS928 Engine Surging Between Loads
Original Message   Feb 1, 2011 7:20 pm
Given Situation: Engine has been fully warmed up and the throttle is set to fast.   

Scenario: My Honda snowblower surges when it comes out of the load.  If I blow the snow with the throttle at either low or medium speed then the engine does not surge when the load is light but when the throttle is set to fast, the engine will surge when the load is low or minimum.  As soon as it gets a full load, no surging.   I took the blower to the dealer today (since no snow for few days and the wait is not too long) as I felt this was not right.  I had this problem since it was brand new in Dec 2010.  I will let you know what the fix is or if this is normal.  Any similar experiences from Honda snowblower owners?

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mml4


Snow is good,
Deep snow is better!


Joined: Dec 31, 2003
Points: 544

Re: Honda HS928 Engine Surging Between Loads
Reply #13   Feb 2, 2011 5:00 pm
borat wrote:
The altitude kit is to perform the opposite.   As altitude increases, it causes the mixture to run too rich thus the requirement for smaller jets at altitude to lean it out.  An altitude kit would make the jetting worse in an already lean mixture.   Here's an interesting link:


http://www.iwt.com.au/mikunicarb.htm


My bad- I had a Honda powered pressure washer I bought off the net that back fired badlly when new. It appears I completely misunderstood the vendors explanation when I called to complain.

Marc

SnapperV210P,Toro22177,TroyBilt42010Snowthrower,Craftsman Shredder,American Turbo Pressure Washer HondaGX200,Stihl011Saw,EchoPas260Trimmer Edger,EchoPB602Blower,EchoHCR150Hedge Clipper
Knee_Biter


Wicked Pissa

Location: just outside of BOSTON
Joined: Dec 14, 2008
Points: 147

Re: Honda HS928 Engine Surging Between Loads
Reply #14   Feb 2, 2011 6:06 pm
Today I used both the work 1132 and my personal 928 and the 1132 does it consistently.  My 928 is smooth as can be with no surge once warm.

MN_Runner


Location: St. Paul, Minnesota
Joined: Dec 5, 2010
Points: 622

Re: Honda HS928 Engine Surging Between Loads
Reply #15   Feb 2, 2011 6:45 pm
I will let you guys know what the fix is once I get a call from my Honda dealer.  I hope they will replace the carburator, which I suspect is the culprit.
friiy


Location: Las Vegas, The Desert
Joined: Apr 12, 2008
Points: 600

Re: Honda HS928 Engine Surging Between Loads
Reply #16   Feb 3, 2011 1:29 am
Your low speed jet is plugged....

   The engine is not getting enough fuel at that (governed ) throttle  setting through the low speed jet...   The engine starts to drop in rpm, the engine  responds by opening the throttle to maintain rpm,   the high speed or main jet comes on-line and overspeeds past the desired maintained speed  since the unit is under no load,  The engine trys to drop the rpm by closing the throttle some....  Then the cycle starts all over again...

Find your low speed jet and clean it,  it's only partly plugged..

Good Luck,

Friiy

MN_Runner


Location: St. Paul, Minnesota
Joined: Dec 5, 2010
Points: 622

Re: Honda HS928 Engine Surging Between Loads
Reply #17   Feb 3, 2011 7:21 pm
dear friiy,

I am not going to touch the snowblower since I have 2 years and 10 months left on the warranty.  The dealer was cleaning the carb and adjusting the governor.  Obviously it is not fixed so I have a feeling they are going to replace the carb and governor.  Surges between the load are a sign of carb/governor issue.  I am a little irritated with the problem since I had this from the begining - I wish I knew better.

MN_Runner


Location: St. Paul, Minnesota
Joined: Dec 5, 2010
Points: 622

Re: Honda HS928 Engine Surging Between Loads (Resolved)
Reply #18   Feb 4, 2011 6:54 pm
The issue was a defective carburator so the dealer replaced it with a new one.  The problem gone.
tkrotchko


Location: Maryland
Joined: Feb 9, 2010
Points: 143

Re: Honda HS928 Engine Surging Between Loads (Resolved)
Reply #19   Feb 4, 2011 8:19 pm
MN_Runner wrote:
The issue was a defective carburator so the dealer replaced it with a new one.  The problem gone.


Good to know. If I have a consistent problem, I'll be bugging the dealer.
MN_Runner


Location: St. Paul, Minnesota
Joined: Dec 5, 2010
Points: 622

Re: Honda HS928 Engine Surging Between Loads
Reply #20   Feb 4, 2011 9:07 pm
The dealer billed Honda $94.18 for a new carburetor ($48.10) + $37.50 for labor + $4.81 (Envir Fees) + $3.77 (MN Tax).  Not sure how some people are saying that they are getting billed for $400 doing similar work - not sure if people are getting screwed or they are not telling the truth.
borat


Joined: Nov 10, 2007
Points: 2692

Re: Honda HS928 Engine Surging Between Loads
Reply #21   Feb 4, 2011 9:11 pm
They can get away with shafting John Q. Public because he, more often than not, doesn't know any better. 

It's not like Honda's warranty department isn't aware of what repairs cost.
friiy


Location: Las Vegas, The Desert
Joined: Apr 12, 2008
Points: 600

Re: Honda HS928 Engine Surging Between Loads
Reply #22   Feb 4, 2011 9:39 pm
LOL ----  Dealer ordered new carb. + jet,   put carb on shelf,   ,  put a new jet in your carb. with bigger number stamped on it., showed you bill he sent to Honda.  

--- Friiy

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