Polaris 400 2 Stroke ProblemsIt has a bore-stroke ratio of 83 x. Ask Your Own Motorcycle Question. I assume its getting to much oil but not sure. com%2fdirt-bike-bogging%2f/RK=2/RS=vzKMH7il6WIxEiPA_R0Y9SyGah0-" referrerpolicy="origin" target="_blank">See full list on motocrosshideout. I have a 96 400 2 stroke, its been garaged and maintain since new, however lately, it will die on an all out run, out of the blue, and will not restart. This info is based on 1988 year model 2 stroke. The 2004 Polaris Sportsman 400 is brought to life by a four-stroke, liquid-cooled single-cylinder engine with a bore-stroke ratio of 87. Polaris Premium 4 All Season Synthetic, 0W/40, PN 2871281 3. Have adjusted the idle screw and air fuel screw to no end still have same problem. Polaris 400 Four Wheeler (2 Stroke) Carb Needle Seat Float Valve/Repairs Carburetor 3131385 & 3130495 Brand: ATVWorks 11 ratings $2500 Assembled where Carburetor 3130495 & 3131385 is used. If the oil is leaking it might have a sensor so you dont blow the motor. 2:1 compression ratio. I am a two stroke nut and have two stroke Polaris's. A few months ago the machine ran awesome, I Motorcycle Ask an Expert Car Questions Motorcycle Questions I have a 2002 polaris scrambler 400 4x4 2 stroke. 3 Posted October 25, 2016 I just acquired a 1994 Polaris Sportsman 400 that sat in a shed for YEARS. 2 Stroke Carburetor Fits for Polaris Scrambler 400 Sport 400 400L Sportsman 400 Trail Blazer 400 Xplorer 400 400L Xpress 400, Replace 3130574 3130710 3130957 3131323 3131404 7 $5499 Save 5% with coupon FREE delivery Sat, Apr 29 Or fastest delivery Fri, Apr 28 Only 16 left in stock - order soon. check your fuel lines and carb to see if your getting enough fuel to the engine. I am at a loss to figure out where the oil is coming from to cause all this smoke. Your throttle cable is mis adjusted and the etc contacts above the throttle cable are contacting each other and killing spark when the throttle lever is released. If the plug is dry, you’ve got different problems. Home Forums Home Gear The Garage Dismiss Notice FREE ADVrider T-shirts! Become a site supporter for a free shirt and ad free viewing. Most of the vehicles come with new Polaris Xplorer 400 parts like a battery, water pump, or rear shocks. It would just "bog down" until throttle was gradually applied. Most of these problems stem from wear and tear and improper maintenance where low compression results from one of the following: Bad or Broken Valves. I think this because it sounds more like someone turned the key off more than it flooding/leaning out. 58K subscribers Subscribe 28K views 3 years ago How to fix a. The 400 lower end is very strong. I am 17 and I don't have lots of money but I know my way around older 2 stroke dirtbikes but my grandpa gave me this four-wheeler and I have had nothing but issues with it. Only problem is it smokes very bad and fouls at least one plug a day. In this video we show how to properly. PRESSURE IN RAD CONTINUED AND AGAIN BLEW HOSE OFF TOP OF THE HEAD. 94 in3), delivered by a 34-mm Mikuni BST carburetor, and mated with a lubrication system (dry-sump). head gasket was leaking,changed. The problem started when the ignition cable was too short and ripped from the plug. Ensured fuel flow from tank to shutoff valve, valve to filter, filter to carb and that carb is filling (might be flooding, but i dont see an adjustment) 6. 4K views 3 years ago Do Head Gasket Sealers Actually Work (FULL 2yr TEST with Engine Teardown) ChrisFix 3M views 1 year ago 96. It's gettin fire and really just too much fuel I'm guessing. I have a 1997 Polaris Sportsman 4x4 400 2-stroke that I can't get to start. 1995 Polaris 400 2 stroke. Polaris Premium 4 All Season Synthetic, 0W/40, PN 2871281 3. After doing some heavy cleaning and carb rebuild it fired right up. Your problem could be a leaking gasket but if you ride in a lot of water and/or if your pull start rope handle is not pushed in tightly water can get into the counter balance sump if left uncovered in a couple rain storms. Polaris 400 2 Stroke Gaunlet Climb Timothy Zeimet 537 views 1 year ago How to service 2 Stroke Oil Injection System How to prime oil injection pump #how2wrench #2stroke How 2 Wrench. But any way my sportsman 400 2 stroke won't start. Others have minor defects, such as a non-working odometer, the 4×4.