All Things Moto! Dirtbike Forums

Go Back   All Things Moto! Dirtbike Forums > Dirt Bike - ATV - Suspension Forums > 2-Stroke Dirt Bike Forums > 2-Stroke Dirt Bikes - Honda

Reply
 
LinkBack Thread Tools
  #11  
Old 01-14-2013, 07:51 PM
Beginner Class
 
Join Date: Jan 2013
Last Online: 01-04-2014 07:17 AM
Location: Dallas, TX
Posts: 22
Default

     

Very true but I just haven't had it long enough to get a compression gauge.
Reply With Quote
  #12  
Old 01-14-2013, 08:02 PM
Intermediate Class
 
Join Date: Jan 2013
Last Online: 07-09-2013 10:29 AM
Location: michigan
Posts: 275
Default

Understandable...u can get one pretty cheap thru harbor freight I think I paid $40 with all the adaptors and what not.....
Reply With Quote
  #13  
Old 01-15-2013, 08:39 PM
Beginner Class
 
Join Date: Jan 2013
Last Online: 01-04-2014 07:17 AM
Location: Dallas, TX
Posts: 22
Default

Ok well, I have ohmed out the stator and coil with the boot and they booth are within spec. I checked the reeds and although I have never seen a reed this forum has taught me to look for chips, cracks, and any other damage. They look good. I went through the carb again and it will not fire........ I am looking at the bike and the expansion changer is really banged up. I think it has to be restricting the flow. I am going to replace it very soon but I wonder, will this keep it from trying to start?
Reply With Quote
  #14  
Old 01-15-2013, 08:45 PM
Intermediate Class
 
Join Date: Jan 2013
Last Online: 07-09-2013 10:29 AM
Location: michigan
Posts: 275
Default

Can u post a pic of it?

Is your plug wet after u try to start it?

Have u tried just a bit of gas in the carb or plug hole just to c if it pops over then?

I use a pop bottle with a small hole drilled thru the lid and extra 1/4" fuel line pulled thru the pop cap for a squirt bottle to get some in the plug hole


To me it sounds more like a fuel issue

Last edited by eavery; 01-15-2013 at 08:49 PM. Reason: stupid phone
Reply With Quote
  #15  
Old 01-15-2013, 09:34 PM
Beginner Class
 
Join Date: Jan 2013
Last Online: 01-04-2014 07:17 AM
Location: Dallas, TX
Posts: 22
Default

It will start up with starting fluid in the plug hole. I double checked the float level and it was good. The plug did look dry..... My exhaust being smashed, what do you think??? Could that be the problem
Reply With Quote
  #16  
Old 01-15-2013, 10:02 PM
Intermediate Class
 
Join Date: Jan 2013
Last Online: 07-09-2013 10:29 AM
Location: michigan
Posts: 275
Default

I don't think your exhaust is the problem unless its smashed almost closed ........starting fluid in a 2t is a no no basicly a no no on all small engines it drys them out almost instantly causing premature wear.....use mix gas

If it will fire on starting fluid it should with gas

When u had the carb apart did u remove all the jets floats and float needle valve? Also did u blow thru all passages with compressed air?

Maybee try soaking your carb in pinesol it will look like new use a 40/60 ratio pinesol/water

I only keep pointing to your carb because the plug is dry so that tells me no gas is getting in the engine....
is the carb filling up with fuel?

---------- Post added at 11:02 PM ---------- Previous post was at 10:48 PM ----------

R u twisting the throttle at all while kicking it my 90yz250 and my 89cr250 u have to slightly twist the throttle on cold starts even with the choke
Reply With Quote
  #17  
Old 01-16-2013, 08:54 AM
Beginner Class
 
Join Date: Jan 2013
Last Online: 01-04-2014 07:17 AM
Location: Dallas, TX
Posts: 22
Default

I have not used compressed air, my compressor is a walmart 1 gallon special, but I have verified that B12 squirts through everything. The bowl is filling up nicely. I am really leaning to it being my pipe, about 6 or so inches away from the head at the first turn it is smashed to about an inch. I didn't knotice this until last night (there are other large dents also) I am just unsure if this will cause it to run poorly or will it just not start? I am thinking about drilling some holes in the most restricted portion and trying to pull it open to se I that will allow it to breath.
Reply With Quote
  #18  
Old 01-16-2013, 09:04 AM
Intermediate Class
 
Join Date: Jan 2013
Last Online: 07-09-2013 10:29 AM
Location: michigan
Posts: 275
Default

I use the ice method to remove dents ....simply plug the intake side of the pipe fill with 7/8 water or more plug the other end and freeze....carefully thou I've seen pipes burst at the seams if filled full then they have to be welded back up......

On a 2t the pipe it sends a sound wave back to the cylinder to keep unburnt gasses from escaping the cylinder as there r no valves so to speak like a 4t....

Hmm if b-12 flows thrust all passages it should be clean...even the little compressor will blow all debris out....

When u checked your reeds they where nice and tight to the reed cage right?...

Try leaning the bike on its side with the gas on till fuel comes out of overflow stand it up hold the kill switch down roll it over once or twice then try again ....let me know what it does after this
Reply With Quote
  #19  
Old 01-16-2013, 10:48 AM
Beginner Class
 
Join Date: Jan 2013
Last Online: 01-04-2014 07:17 AM
Location: Dallas, TX
Posts: 22
Default

That is a great idea! I will do that tonight!. What do you use to plug? A rag, plastic wrap, and duct tape?

While I'm at it I will be blowing out the carb as best I can and checking the compression.

The top of the reeds were not laying flush at the highest point but they were very close, within 1 mm. I hve never even seen a reed before so I don't really know what I am looking for.
Reply With Quote
  #20  
Old 01-16-2013, 11:01 AM
ATM! Addict
 
Join Date: Oct 2003
Last Online: 04-14-2014 08:07 AM
Location: alaska
Posts: 10,344
Default

[/COLOR]I got the biggest freezer you ever saw and i have had what you would call zero luck getting dents out of pipes using it. like it was mentioned, we broke a few.

if your bike is starting when there is ether present it still could be fuel related.

make sure that the pilot circuit is clean. screw the enrichenor all the way down snug, dont just push it down in other words. 1.5 to two turns out should be fine, but if you are really in a cold zone, try turning it into one turn out.
Reply With Quote
Reply

  All Things Moto! Dirtbike Forums > Dirt Bike - ATV - Suspension Forums > 2-Stroke Dirt Bike Forums > 2-Stroke Dirt Bikes - Honda


Thread Tools


Similar Threads for: 90 cr250r starting prob
Thread Thread Starter Forum Replies Last Post
Air box prob and trans prob? Tommyramone55 2-Stroke Dirt Bikes - Kawasaki 23 02-01-2012 01:10 PM
need help, asap, top end prob rodogg 2-Stroke Dirt Bikes - KTM 4 11-03-2010 03:00 PM
throttle prob vincexxx77 General Discussion 0 07-21-2007 02:37 PM
kmx 125 prob Cr125zrule 2-Stroke Dirt Bikes - Kawasaki 7 03-27-2006 03:33 PM
betcha never had this prob madcow393 2-Stroke Dirt Bikes - Honda 4 07-12-2003 06:11 PM


All times are GMT -6. The time now is 11:01 PM.


Powered by vBulletin® Version 3.8.8
Copyright ©2000 - 2019, vBulletin Solutions, Inc.
Search Engine Optimization by vBSEO 3.6.0 PL2
Copyright ©2002-2017, JDub Consulting, Inc. All Right Reserved.