Register free!
Search
 
     

The Green Industry's Resource Center


Click for Weather
Reply
 
Thread Tools Display Modes
  #1  
Old 04-26-2013, 08:16 PM
ztrguy ztrguy is offline
LawnSite Senior Member
 
Join Date: Jan 2003
Location: NE FL
Posts: 465
Kawasaki fx921v hesitates when throttling/pto engage

I have a Kawasaki engine FX921v that sputters/hesitates for a second or so when you throttle it up or engage the pto. What would cause this? It does it for a second or two and then clears up. Any ideas?
Reply With Quote
  #2  
Old 04-26-2013, 08:33 PM
Restrorob's Avatar
Restrorob Restrorob is offline
LawnSite Fanatic
 
Join Date: Apr 2005
Location: Show'n my truck off !
Posts: 10,618
Pull the choke out slightly and see if it goes away, If so the carb is running a bit lean and likely in need of a tear-down cleaning......
__________________
Quote:
Originally Posted by piston slapper View Post
You never learn anything until you admit you don't know it all...

"Why go out preserved when you can go out beat up, worn out, sliding in sideways screaming, Holy Sh!t What A Ride" !!!
Reply With Quote
  #3  
Old 04-26-2013, 09:15 PM
ztrguy ztrguy is offline
LawnSite Senior Member
 
Join Date: Jan 2003
Location: NE FL
Posts: 465
Quote:
Originally Posted by Restrorob View Post
Pull the choke out slightly and see if it goes away, If so the carb is running a bit lean and likely in need of a tear-down cleaning......
Thanks for the reply. It happens so quick it's kinda hard to tell by pulling the choke out, but I'll mess with it tomorrow and see if it makes a difference. Thanks again!
Reply With Quote
  #4  
Old 04-26-2013, 09:55 PM
Restrorob's Avatar
Restrorob Restrorob is offline
LawnSite Fanatic
 
Join Date: Apr 2005
Location: Show'n my truck off !
Posts: 10,618
With the choke slightly out and you gun the throttle with no sputter/hesitation "There's your sign".......
__________________
Quote:
Originally Posted by piston slapper View Post
You never learn anything until you admit you don't know it all...

"Why go out preserved when you can go out beat up, worn out, sliding in sideways screaming, Holy Sh!t What A Ride" !!!
Reply With Quote
  #5  
Old 04-26-2013, 10:16 PM
ztrguy ztrguy is offline
LawnSite Senior Member
 
Join Date: Jan 2003
Location: NE FL
Posts: 465
Quote:
Originally Posted by Restrorob View Post
With the choke slightly out and you gun the throttle with no sputter/hesitation "There's your sign".......
Ok, I will try first thing in the morning and let you know the results. I've never had any issues with the mower up until this point.
Reply With Quote
  #6  
Old 04-27-2013, 12:39 PM
ztrguy ztrguy is offline
LawnSite Senior Member
 
Join Date: Jan 2003
Location: NE FL
Posts: 465
RestroRob

I checked this morning on the choke and nothing seemed to make any difference on the hesitation.

This is a twin cylinder engine, so I went ahead and pulled the plug wire off from one cylinder. The mower fired up and ran a little rough, but not enough to really notice. Then I pulled the plug wire from the other cylinder. This time the mower wouldn't even fire up and run. Is it safe to say that the problem is the ignition module?
Reply With Quote
  #7  
Old 04-27-2013, 02:27 PM
weeze's Avatar
weeze weeze is offline
LawnSite Fanatic
 
Join Date: Apr 2011
Location: weezertonfieldville, AL
Posts: 5,277
check your valves. they may need adjustment. something happened to mine at 299hrs and it bent a pushrod. it felt like i was running on 1 cylinder. the valves had gotten out of adjustment and caused the bent pushrod. it was fixed under warranty for free though.

it seemed to run funny the whole time though not just on startup. when i engaged the pto it was real slow and took a long time to get up to speed. it was just lacking power because of the pushrod problem.
__________________
Reply With Quote
  #8  
Old 05-03-2013, 09:29 AM
ztrguy ztrguy is offline
LawnSite Senior Member
 
Join Date: Jan 2003
Location: NE FL
Posts: 465
Ended up being ignition module for those that experience the same problem.
Posted via Mobile Device
Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump





Powered by vBulletin® Version 3.8.6
Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
Copyright ©1998 - 2012, LawnSite.comô - Moose River Media
All times are GMT -4. The time now is 05:32 PM.

Page generated in 0.08098 seconds with 7 queries