Jump to content

Anyone know 4 strokes?


Recommended Posts

About the time I'm ready to sell the 'ol Warrior, it decides to start running like crap. It ran fine last year...a little popping now and then, but I figured its the White Bro's pipe...its loud! Well, now it idles fine, but pops and bogs when under heavy throttle. I cleaned the carb out a few times and got it running better. It idles perfect now, runs great up to about half or three quarters throttle...then pop pop pop...

I checked the parking brake safety thing (even though the parking brake is gone) and it doesn't make a difference if its unplugged or not. I'm sure it is not that, being it runs fine to about half throttle.

After the last carb cleaning with lots of carb cleaner used, it ran pretty decent. I let it idle for a while to burn up all the cleaner, then gave it a little throttle. It was better, pumped the throttle a couple times (a few pops, but I kept going), then went WOT. After doing that a couple times, I look down and the exhaust is cherry red!! I've never noticed this before and I can't imagine it is normal. I checked the plug after that, and its pretty good...a little dark if anything.

It does seem a little louder this year, but I'm sure its just me being used to my stock Banshee exhaust.

 

Any help would be great!!

FYI--

stock engine, carbs, K&N in slightly vented box, White Bros pipe, Roost Boost, and thats about it....its an '87 model.

 

-Mike

Link to comment
Share on other sites

check for mudabers nest in the pipe or intake tract..

Link to comment
Share on other sites

I bought the machine at the start of last year, exactly as it sits. It maybe ran a little lean, and popped a little when I ran it then. Now its not ridable...can't get any speed going.

I guess it could be that he never re-jetted when he put the exhaust on. I thought he said he had it tuned in at the shop a year before I bought it.

How do I tell what size the jets are??

Link to comment
Share on other sites

Ok, pulled the jet...its was a 132.5. I went up to a 142.5, and its much better! It now has a little hesitation at low throttle. I dropped to needle to the bottom notch (was one above that), and it helped very little. Its rideable now, but a little annoying to be hesitant like that.

 

Its almost perfect if you pull the choke just a touch. Does that help?? I tried the air screw, but that didn't make a difference, so went back to where I started on that. I was told it could be the pilot jet...any ideas???

 

Thanks again!

Link to comment
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

Loading...
×
×
  • Create New...