No start, 01 250 trailblazer - Polaris ATV Forum
Polaris ATV Forum
Go Back   Polaris ATV Forum > Polaris Model Specific Discussions > Polaris Trail Blazer

Polaris Trail Blazer Discussions pertaining to the Polaris Trail Blazer

LinkBack Thread Tools Display Modes
  #1 (permalink)  
Old 09-01-2010, 11:14 AM
splicerman's Avatar
Junior Member
Member #6874
Join Date: Aug 2010
Location: texas
Posts: 2
No start, 01 250 trailblazer

I feel like this is a common problem..
I got a swamped ride and tring to wake it up. 1st we
Replaced coil under flywheel and got good spark, carb is clean but after cranking on this bike for most of the day, just a few pops.
After reading it is common to have low compression and mine was soaked and left wet for months..we've drained the crankcase, cleaned the exhaust out..Nada... just an oily spark plug..
What should a good pressure be for the compression?
Does this have reeds or ports that require service?
Could spark timing be the issue?

Thanks in advance, Dag-n-Jr
Reply With Quote
Sponsored Links
PolarisATVForums is the premier Polaris ATV Forum on the internet. Registered Users do not see these ads, So Register, It's Free!
  #2 (permalink)  
Old 09-01-2010, 11:39 AM
blueline15's Avatar
Polaris ATV Legend
Member #230
Join Date: Feb 2009
Location: Washington State
Posts: 6,903
are you getting fuel with the oil?
compression should be 90+
Reply With Quote
  #3 (permalink)  
Old 09-01-2010, 12:54 PM
splicerman's Avatar
Junior Member
Member #6874
Join Date: Aug 2010
Location: texas
Posts: 2
no start

Engine feels like it has enough pressure but guage reads 75psi. Plug has mostly oil and it appears not to draw fuel thru carb as strong as I would think. Thats why I was thinking reed valves.
Reply With Quote
  #4 (permalink)  
Old 09-01-2010, 06:55 PM
Manaen's Avatar
Extreme ATV Enthusiast
Member #6699
Join Date: Aug 2010
Location: Clear Spring
Posts: 324
75 is very low PSI

There are no reed valves in these engines. They work strictly off of port timing. You may also have bad main seals if it was sitting for a while. Also I suspect the cylinder is rusty and pitted along with the crank and main bearings. If water remains in an engine for a long time it will rust very quickly. I would pull the head and check the cylinder it's possible you can get by with a hone and new rings. I would also disconnect all the wiring connections and clean them and then apply dielectric grease to all the connections to eliminate any oxidation/corrosion problems.

For future reference if this happens again you should pull the drain plug on the bottom of the crankcase and crank the engine. Then get it running to full running temps to clear all the water out. Spark problems can almost always be repaired by cleaning up the wiring with WD40 (as a quick fix) and dielectric grease for a longer term fix/preventative maintenance.
Reply With Quote
  #5 (permalink)  
Old 09-11-2010, 08:17 AM
psavas's Avatar
Junior Member
Member #3485
Join Date: Mar 2010
Location: Daytona Beach, FL & Upstate SC
Posts: 19
I don't know if this helps but I just rebuilt a 1996 TB and I had a problem with it getting gas an oily black plug. I took apart/rebuilt/cleaned the whole carb and made sure my vent lines were not clogged. I than put everything back together and still couldn't get it to fire, mind you the guy I bought it from said it had not ran for over 6 years). I had great compression, spark everything could not figure out for the life of me what the heck the problem was. I decided to put the airbox back on the carb, sure as sh!t next crank it fired up the and has not stopped running to this day! I know about air/fuel ratios but I think these polaris two strokes are extremely tempremental when it comes to the "little things."

Just my $.02
2000 Trail Blazer 250
1996 Trail Blazer 250 Project Rebuild - Complete!
Reply With Quote

Lower Navigation
Go Back   Polaris ATV Forum > Polaris Model Specific Discussions > Polaris Trail Blazer

Search tags for this page
2001 polaris 250 trailblazer where should the timing marks be ?

compression for a 2004 polaris trail blazer


how much compression should a polaris 250 have


how much compression should a polaris 250 trailblazer have


my poloris 250 trailblazer 1996 wont crank but got fire and gas


polaris 250 compression


polaris 250 trailblazer timing


polaris 250 trailblazer won't start


polaris trailblazer compression test


timing 250 trailblazer


trailblazer 250 wont start


what are the ignition timing settings for 2oo2 polaris 250 trail blazer atv

Click on a term to search our sites for related topics.

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
Trackbacks are On
Pingbacks are On
Refbacks are On

Similar Threads
Thread Thread Starter Forum Replies Last Post
2002 Trailblazer 250 Hard Start paac ATV Repair and Maintenance 13 01-28-2013 06:02 AM
2001 trailblazer 250 won't start when warm. budman_ss ATV Repair and Maintenance 4 10-06-2011 02:05 PM
2002 Trailblazer 250 Hard Start paac Polaris Trail Blazer 1 07-28-2010 03:55 PM
Trailblazer pull start hvychevy ATV General Discussion 2 05-12-2010 12:39 PM
2002 Trailblazer won't start picker357 ATV Repair and Maintenance 1 04-06-2010 05:40 PM

All times are GMT -8. The time now is 02:05 PM.

Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2017, vBulletin Solutions, Inc.
vBulletin Security provided by vBSecurity v2.2.2 (Pro) - vBulletin Mods & Addons Copyright © 2017 DragonByte Technologies Ltd.