Yesterday's Tractor Co. Parts for Farm Tractors - Compare our Prices!
Click Here or call 800-853-2651 
   Allis Chalmers Case Farmall IH Ford 9N,2N,8N Ford
   Ferguson John Deere Massey Ferguson Minn. Moline Oliver
 FAQFAQ   SearchSearch   MemberlistMemberlist   UsergroupsUsergroups   Traditional YT Forum ViewClassic View   RegisterRegister 
 ProfileProfile   Log in to check your private messagesLog in to check your private messages   Log inLog in 

Honda GX390 starter?


 
Post new topic    
View previous topic :: View next topic  
Author Message
George Marsh
Tractor Guru


Joined: 05 Aug 2009
Posts: 5364
Location: terre haute

Report to Moderator

PostPosted: Mon Sep 30, 2013 1:08 pm    Post subject: Honda GX390 starter? Reply to specific post Reply with quote

I'm trying to convert my Gx390 to an electric start. Got a kit on ebay. What a battle getting the flywheel off. The flywheel nut was put on with lock tight. Won't be put back on with lock tight. Had to make bolts to pull flywheel off. Then I find out the hole where the starter goes measures 6.2 mm and the starter's diameter is 6.5 mm in diameter. What should it be, 6.2 or 6.5?

Thanks
George
 
Back to top
View user's profile
joe csuti
Tractor Expert


Joined: 30 Mar 2009
Posts: 1718


Report to Moderator

PostPosted: Mon Sep 30, 2013 5:19 pm    Post subject: Re: Honda GX390 starter? Reply to specific post Reply with quote

First thing to do is determine yr eng made,if you bought kit from deezee auto or the parts barn both listings specify 2011/older eng,if eng 2012-2013 you may need a different kit or same not avail in an aftermaket kit,call/email seller & explain problem,both have a return/refund policy.
 
Back to top
View user's profile
George Marsh
Tractor Guru


Joined: 05 Aug 2009
Posts: 5364
Location: terre haute

Report to Moderator

PostPosted: Mon Sep 30, 2013 9:22 pm    Post subject: Re: Honda GX390 starter? Reply to specific post Reply with quote

I did get from deezee. Going to call them tomorrow when they are open. My engine is about 10 years old. I made a mistake. The diameter of their starter is 65 mm and my hole is 62 mm, 3 mm smaller, close to 1/8 inch smaller.
 
Back to top
View user's profile
George Marsh
Tractor Guru


Joined: 05 Aug 2009
Posts: 5364
Location: terre haute

Report to Moderator

PostPosted: Tue Oct 01, 2013 8:51 am    Post subject: Re: Honda GX390 starter? Reply to specific post Reply with quote

Joe,
Called deezee and they said I must enlarge hole 3 mm. I think everyone needs to know this ahead of time.

I think I can do it with a 2.5 inch bi-metal hole saw. Been to two places this morning and both are out of the 2.5 incher.
George
 
Back to top
View user's profile
joe csuti
Tractor Expert


Joined: 30 Mar 2009
Posts: 1718


Report to Moderator

PostPosted: Tue Oct 01, 2013 12:10 pm    Post subject: Re: Honda GX390 starter? Reply to specific post Reply with quote

George-I don't think hole saw will work as you have no center for pilot bit to ride in as a guide for hole saw,what you'll probably have to do is use a adjustable straight reamer to open hole or take eng/starter to a machine shop & have them ream hole as center of hole is critical not only for starter mounting bolt centers you also have to consider mounting holes on starter may be slightly oversize & id of hole for starter may affect side/side & up/down position of starter motor,this also affects gear lash for starter drive/flywheel ring gear,if lash not correct you may get short starter gear/ring gear life or break nose off starter if lash too tight,I've seen this happen on small eng & auto eng.
 
Back to top
View user's profile
George Marsh
Tractor Guru


Joined: 05 Aug 2009
Posts: 5364
Location: terre haute

Report to Moderator

PostPosted: Tue Oct 01, 2013 2:59 pm    Post subject: Re: Honda GX390 starter? Reply to specific post Reply with quote

Joe, I had a 2 1/2 hole saw. Put it in a drill, spun it in front of the grinder and ground everyone other tooth out that was sticking out. That fit perfectly in the factory opening that I drilled out without the 1/4 inch drill installed. That worked to remove the back plate.

Then I took another 2 1/2 inch hole saw and enlarged the opening a little. Not enough. So I used a half round file and went to work. 4 hours later the starter fits perfectly.

There isn't enough money for me to do this to another GX390, NEVER AGAIN.

I also had to drill the flywheel to tap the 3 places for a flywheel puller and had to tap the place to mound the charging coil. Once is enough for me. Wish I had removed the metal filings from drill press. They stuck to all 3 magnets on flywheel, gray moment.

There were no instructions included, so I called deezee and they emailed me the wiring diagram.

George
 
Back to top
View user's profile
DiyDave
Tractor Guru


Joined: 16 Nov 2007
Posts: 8853


Report to Moderator

PostPosted: Tue Oct 01, 2013 5:11 pm    Post subject: Re: Honda GX390 starter? Reply to specific post Reply with quote

If you ever need to get locktight loose, just heat to about 3-400 degrees, with a propane torch. loosens right up.
 
Back to top
View user's profile
George Marsh
Tractor Guru


Joined: 05 Aug 2009
Posts: 5364
Location: terre haute

Report to Moderator

PostPosted: Wed Oct 02, 2013 3:43 am    Post subject: Re: Honda GX390 starter? Reply to specific post Reply with quote

Diyguy,
If I had put lock tight on the nut, I would have known to heat it. Who puts lock tight on a flywheel nut? Never seen it before. Won't be there when I'm done. Do you see a need for it?
George
 
Back to top
View user's profile
George Marsh
Tractor Guru


Joined: 05 Aug 2009
Posts: 5364
Location: terre haute

Report to Moderator

PostPosted: Wed Oct 02, 2013 4:46 pm    Post subject: Re: Honda GX390 starter? Reply to specific post Reply with quote

Joe, deezee said I have to enlarge hole with a dremmel. OEM was close to 2.5 inches, 62 mm. Starter is close to 66 mm. I enlarged with hole saw and then a round file on a drill. Got it close. Then switched to a half round file. Put a light behind the starter to find places that needed filed. Worked all day on the hole. Got it perfect. Starter bolts were both centered in the holes. Starter works as it should. Engine started on first crank after setting for almost a year.

3 days is too long to make this work. I even drilled and tapped the 3 holes in flywheel to use a gear puller to remove flywheel, because starter bolts are hidden behind the flywheel and my worst fear is removing the flywheel without using a puller.

Never do this again. If starter doesn't fit, I won't do it.
George
 
Back to top
View user's profile
DiyDave
Tractor Guru


Joined: 16 Nov 2007
Posts: 8853


Report to Moderator

PostPosted: Wed Oct 02, 2013 4:47 pm    Post subject: Re: Honda GX390 starter? Reply to specific post Reply with quote

Hard to tell whose been there before you! I had a neighbor bring me one of his aerators up, day before yesterday, the flywheel nut had come loose and stripped out the nut, and boogered up the threads on the crank, pretty bad. I used a thread file, to clean it up, then cut a slot down a lock nut I happened to have, and used it, and a pair of vice-grips to chase the threads a little smoother, then put a new lock nut on, and yes, used red medium locktight on it. Sometimes its a necessary evil!
 
Back to top
View user's profile
Display posts from previous:   
Post new topic    Yesterday's Tractors Forum Index -> Garden Tractors All times are GMT - 8 Hours
Page 1 of 1

 
Jump to:  
TRACTOR   PARTS TRACTOR   MANUALS
Same-Day Shipping! Most of our stocked parts ship the same day you order (M-F).  Expedited shipping available, just call!  Most prices for parts and manuals are below our competitors.  Compare our super low shipping rates!  We have the parts you need to repair your tractor.  We are a Company you can trust and have generous return policies!   Shop Online Today or call our friendly sales staff toll free (800) 853-2651.

YT Home  |  Forums Home

Copyright © 1997-2014 Yesterday's Tractor Co.

Powered by phpBB © 2001, 2005 phpBB Group

All Rights Reserved. Reproduction of any part of this website, including design and content, without written permission is strictly prohibited. Trade Marks and Trade Names contained and used in this Website are those of others, and are used in this Website in a descriptive sense to refer to the products of others. Use of this Web site constitutes acceptance of our User Agreement and Privacy Policy

TRADEMARK DISCLAIMER: Tradenames and Trademarks referred to within Yesterday's Tractor Co. products and within the Yesterday's Tractor Co. websites are the property of their respective trademark holders. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. John Deere and its logos are the registered trademarks of the John Deere Corporation. Agco, Agco Allis, White, Massey Ferguson and their logos are the registered trademarks of AGCO Corporation. Case, Case-IH, Farmall, International Harvester, New Holland and their logos are registered trademarks of CNH Global N.V.

Yesterday's Tractors - Antique Tractor Headquarters