Can-Am Headquarters ...Aurora Wheelers ATV Forum > ATVs > Can-Am / BRP > Can-Am - Sticky Topics > Fuel tank and fuel pump prefilter removal, cleaning |
| Moderated by: zac41, Voodoo, QUADAHOLIC, OSOKILL, MtnOuty, Kratos, fmj40, cc1999 |
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| Fuel tank and fuel pump prefilter removal, cleaning - Can-Am - Sticky Topics - ATVs - Can-Am Headquarters ...Aurora Wheelers ATV Forum | ||||||||||||||||
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icanamcanyou Member 
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 what am I missing? already drained all gas, replaced fuel filter, checked spark plugs, check all electrical plugs, pull apart and checked the whole intake to include injectors. checked the neg batt terminal, all filter are clean. seems to idle low when it's acting up too. it has died a few time after a WOT run.Need some more input on what to check next....
____________________ 2007 Red Can-AM Outlander 800 Max XT Full Set Ricochet Skids, BRP Fender Extentions Sylvania Silverstar Bulbs, 3 Renny & 3 Outty Clutch Weights 650 Outty Helix, Stock Air Filter w/PreCharger Wrap HMF Utility Series Exhaust w/Spark Arrestor 26" Maxxis Bighorns on XT Rims (1" Spacer on Fronts) 27" SuperGrip SuperLights, on Non-XT Rims (1" Spacer on Fronts) 2007 Red Can-AM Outlander 500 Max XT Full Set Ricochet Skids, BRP Fender Extentions Sylvania Silverstar Bulbs, Stock Air Filter w/PreCharger Wrap 25" Maxxis Bighorns on XT Rims |
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Col. 
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Maybe fuel pump is going bad? Not holding the pressure up? Or weak spark on one or both cylinders, not burning all the fuel causing it to choke out?
____________________ 08 650xt Ricochets stealth snorkel Black ITP C series 27" Outlaws HMF Utility. |
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Overlord1 Member 
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Hows the compression?
____________________ 08 Outty 800 Max XT Dalton clutch HMF Pipe UNI Filter Synthetic cable Full Snorkle 60" Moose Plow Fan Override 60" Swisher mower 29.5" Outlaws on SS108's Homemade 1 1/2" front lift HPG shocks & HD springs on front |
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icanamcanyou Member
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my 500 max xt has a slight lag/sputter every now and then on take off....and now my 800 max xt is doing it sporadically on hard acceleration.....hmmmmm searching through some older threads i'm starting to agree with the previous findings that it's all to blame on the fuel pump. i wonder if it's a problem with the original design.
____________________ 2007 Red Can-AM Outlander 800 Max XT Full Set Ricochet Skids, BRP Fender Extentions Sylvania Silverstar Bulbs, 3 Renny & 3 Outty Clutch Weights 650 Outty Helix, Stock Air Filter w/PreCharger Wrap HMF Utility Series Exhaust w/Spark Arrestor 26" Maxxis Bighorns on XT Rims (1" Spacer on Fronts) 27" SuperGrip SuperLights, on Non-XT Rims (1" Spacer on Fronts) 2007 Red Can-AM Outlander 500 Max XT Full Set Ricochet Skids, BRP Fender Extentions Sylvania Silverstar Bulbs, Stock Air Filter w/PreCharger Wrap 25" Maxxis Bighorns on XT Rims |
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camlaw Member 
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check the grommet on top of tank ? are vents working ? check fuel pressure Last edited on Thu Sep 25th, 2008 04:58 am by camlaw ____________________ 07 800 xt,27 xtr's on 14"ss 112's, 28" outlaws on type-7 machined. east coast snorkels, 2" hi-lifter, hpg front shocks, pennland slip on. mudded and modded. |
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MtnOuty Deputy Fyfe...In for Life 
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Were the plugs wet/black? Mine dies at high altitude, low A/F ratio, especially if I've been running pretty hard. The harder I work the engine the more likely it is to die when coming to a stop at high altitude. What air filter are you using? Do you smell gasoline fumes?
____________________ Wear a patch like my avatar to hospital emergency room, clears it out fast. |
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icanamcanyou Member
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MtnOuty wrote: Were the plugs wet/black? Mine dies at high altitude, low A/F ratio, especially if I've been running pretty hard. The harder I work the engine the more likely it is to die when coming to a stop at high altitude. I went over the 800 last night head to toe. I checked, cleaned and Dia-Greased (LOL...I made a new word) ALL electronic connection. I changed the spark plugs for new also. The fuel tank grommet looks good as well as I've already replaced the 2 tank venting values earlier. Gas in tank is ALL new. It doesn't matter what air filter (tried stock, UNI & K&N) I use or what exhaust (tried stock & HMF Utility) either, same sputtering results. I'm calling my service guys today and have them order up 2 new fuel pumps, 1 for my 800 & 1 for my 500. I think that's the only thing left. NBM had a prior post about this and it drove him crazy trying to narrow it down....in the end it was the fuel pump, it was only putting out about 28 psi.
____________________ 2007 Red Can-AM Outlander 800 Max XT Full Set Ricochet Skids, BRP Fender Extentions Sylvania Silverstar Bulbs, 3 Renny & 3 Outty Clutch Weights 650 Outty Helix, Stock Air Filter w/PreCharger Wrap HMF Utility Series Exhaust w/Spark Arrestor 26" Maxxis Bighorns on XT Rims (1" Spacer on Fronts) 27" SuperGrip SuperLights, on Non-XT Rims (1" Spacer on Fronts) 2007 Red Can-AM Outlander 500 Max XT Full Set Ricochet Skids, BRP Fender Extentions Sylvania Silverstar Bulbs, Stock Air Filter w/PreCharger Wrap 25" Maxxis Bighorns on XT Rims |
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MCBallpeen Member 
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It might be a clogged prefilter on the fuel pump. Draining the tank isn't going to work, trust me I know. You have to REMOVE the fuel tank from the machine, REMOVE the fuel pump from the tank and clean the prefilter. Then wash out the tank five or six time with soap and water, dry it out thoroughly and re install everything. Replace the fuel filter and you should be good to go.
____________________ 2008 Outlander 800XT - Ricochet skids, HLS shocks, Precision steering dampener, Maxxis Bighorns, racks removed, 'gade pegs installed, reverse over ride - over ridden, horn. |
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icanamcanyou Member
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MCBallpeen wrote: It might be a clogged prefilter on the fuel pump. Draining the tank isn't going to work, trust me I know. You have to REMOVE the fuel tank from the machine, REMOVE the fuel pump from the tank and clean the prefilter. Then wash out the tank five or six time with soap and water, dry it out thoroughly and re install everything. Replace the fuel filter and you should be good to go. Hmmmm......GOOD suggestion! Thanx!  Gonna have to check that out for sure. If the fuel pump pre-filter isn't flowing correctly.....i could see how that would give me the symptoms my Outty's are having.
____________________ 2007 Red Can-AM Outlander 800 Max XT Full Set Ricochet Skids, BRP Fender Extentions Sylvania Silverstar Bulbs, 3 Renny & 3 Outty Clutch Weights 650 Outty Helix, Stock Air Filter w/PreCharger Wrap HMF Utility Series Exhaust w/Spark Arrestor 26" Maxxis Bighorns on XT Rims (1" Spacer on Fronts) 27" SuperGrip SuperLights, on Non-XT Rims (1" Spacer on Fronts) 2007 Red Can-AM Outlander 500 Max XT Full Set Ricochet Skids, BRP Fender Extentions Sylvania Silverstar Bulbs, Stock Air Filter w/PreCharger Wrap 25" Maxxis Bighorns on XT Rims |
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icanamcanyou Member
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Tonight I'm gonna yank the back plastic off, take the tank out and break it down (take out the fuel pump) and inspect / clean the pre-filter on the fuel pump. I'll try to take as many pics along the way as possible.
____________________ 2007 Red Can-AM Outlander 800 Max XT Full Set Ricochet Skids, BRP Fender Extentions Sylvania Silverstar Bulbs, 3 Renny & 3 Outty Clutch Weights 650 Outty Helix, Stock Air Filter w/PreCharger Wrap HMF Utility Series Exhaust w/Spark Arrestor 26" Maxxis Bighorns on XT Rims (1" Spacer on Fronts) 27" SuperGrip SuperLights, on Non-XT Rims (1" Spacer on Fronts) 2007 Red Can-AM Outlander 500 Max XT Full Set Ricochet Skids, BRP Fender Extentions Sylvania Silverstar Bulbs, Stock Air Filter w/PreCharger Wrap 25" Maxxis Bighorns on XT Rims |
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grizzlander
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icanamcanyou wrote:I'll try to take as many pics along the way as possible.Good!! Pic and a How to is always a good idea
____________________ 2006 Outlander Max 800 HO Team Outty #146 2004 Grizzly 660 2001 Trailblazer 250 |
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camlaw Member
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icanamcanyou wrote: Tonight I'm gonna yank the back plastic off, take the tank out and break it down (take out the fuel pump) and inspect / clean the pre-filter on the fuel pump. I'll try to take as many pics along the way as possible. do you need to replace the fuel-pump gasket, each time you pull out the pump. my quad, went a swummin, recently. that's the one thing i didn't do. was pull the pump and clean out pre-filter. had a ton of water in my tank. drained it out, machine seems to run fine, but want to be sure.
____________________ 07 800 xt,27 xtr's on 14"ss 112's, 28" outlaws on type-7 machined. east coast snorkels, 2" hi-lifter, hpg front shocks, pennland slip on. mudded and modded. |
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icanamcanyou Member
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SO FAR SO GOOD!!!  After performing the fuel pump pre-filter cleaning, I did about 5 WOT runs up and down the street with no sputter. Will see after a hard weekend of riding if that was the problem. The following are some pics of the process and some notes to go along with each one. It wasn't hard at all to perform the task. This pic is of the bolts you'd need to remove to take off the rear plastic, right rear shock & tank. REMEMBER to unplug the electrical connection to the fuel pump on the bottom of the tank too. Attachment: Rear Plastic Removal.jpg (Downloaded 295 times)
____________________ 2007 Red Can-AM Outlander 800 Max XT Full Set Ricochet Skids, BRP Fender Extentions Sylvania Silverstar Bulbs, 3 Renny & 3 Outty Clutch Weights 650 Outty Helix, Stock Air Filter w/PreCharger Wrap HMF Utility Series Exhaust w/Spark Arrestor 26" Maxxis Bighorns on XT Rims (1" Spacer on Fronts) 27" SuperGrip SuperLights, on Non-XT Rims (1" Spacer on Fronts) 2007 Red Can-AM Outlander 500 Max XT Full Set Ricochet Skids, BRP Fender Extentions Sylvania Silverstar Bulbs, Stock Air Filter w/PreCharger Wrap 25" Maxxis Bighorns on XT Rims |
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icanamcanyou Member
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Side shot with right rear shock removed. Attachment: CIMG4248.jpg (Downloaded 293 times)
____________________ 2007 Red Can-AM Outlander 800 Max XT Full Set Ricochet Skids, BRP Fender Extentions Sylvania Silverstar Bulbs, 3 Renny & 3 Outty Clutch Weights 650 Outty Helix, Stock Air Filter w/PreCharger Wrap HMF Utility Series Exhaust w/Spark Arrestor 26" Maxxis Bighorns on XT Rims (1" Spacer on Fronts) 27" SuperGrip SuperLights, on Non-XT Rims (1" Spacer on Fronts) 2007 Red Can-AM Outlander 500 Max XT Full Set Ricochet Skids, BRP Fender Extentions Sylvania Silverstar Bulbs, Stock Air Filter w/PreCharger Wrap 25" Maxxis Bighorns on XT Rims |
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icanamcanyou Member
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Unplug this...make removing the tank WAY easier. Attachment: CIMG4249.jpg (Downloaded 293 times)
____________________ 2007 Red Can-AM Outlander 800 Max XT Full Set Ricochet Skids, BRP Fender Extentions Sylvania Silverstar Bulbs, 3 Renny & 3 Outty Clutch Weights 650 Outty Helix, Stock Air Filter w/PreCharger Wrap HMF Utility Series Exhaust w/Spark Arrestor 26" Maxxis Bighorns on XT Rims (1" Spacer on Fronts) 27" SuperGrip SuperLights, on Non-XT Rims (1" Spacer on Fronts) 2007 Red Can-AM Outlander 500 Max XT Full Set Ricochet Skids, BRP Fender Extentions Sylvania Silverstar Bulbs, Stock Air Filter w/PreCharger Wrap 25" Maxxis Bighorns on XT Rims |
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icanamcanyou Member
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Tank freshly removed. Drain all fuel out of it at this point. Attachment: CIMG4251.jpg (Downloaded 292 times)
____________________ 2007 Red Can-AM Outlander 800 Max XT Full Set Ricochet Skids, BRP Fender Extentions Sylvania Silverstar Bulbs, 3 Renny & 3 Outty Clutch Weights 650 Outty Helix, Stock Air Filter w/PreCharger Wrap HMF Utility Series Exhaust w/Spark Arrestor 26" Maxxis Bighorns on XT Rims (1" Spacer on Fronts) 27" SuperGrip SuperLights, on Non-XT Rims (1" Spacer on Fronts) 2007 Red Can-AM Outlander 500 Max XT Full Set Ricochet Skids, BRP Fender Extentions Sylvania Silverstar Bulbs, Stock Air Filter w/PreCharger Wrap 25" Maxxis Bighorns on XT Rims |
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icanamcanyou Member
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Under side of tank. Carefully un-screw all of these....after tank is empty (LOL) Attachment: CIMG4253.jpg (Downloaded 291 times)
____________________ 2007 Red Can-AM Outlander 800 Max XT Full Set Ricochet Skids, BRP Fender Extentions Sylvania Silverstar Bulbs, 3 Renny & 3 Outty Clutch Weights 650 Outty Helix, Stock Air Filter w/PreCharger Wrap HMF Utility Series Exhaust w/Spark Arrestor 26" Maxxis Bighorns on XT Rims (1" Spacer on Fronts) 27" SuperGrip SuperLights, on Non-XT Rims (1" Spacer on Fronts) 2007 Red Can-AM Outlander 500 Max XT Full Set Ricochet Skids, BRP Fender Extentions Sylvania Silverstar Bulbs, Stock Air Filter w/PreCharger Wrap 25" Maxxis Bighorns on XT Rims |
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icanamcanyou Member
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Here is the fuel pump just removed. Be very careful when slowly working the pump out of the bottom of the tank. Attachment: CIMG4255.jpg (Downloaded 290 times)
____________________ 2007 Red Can-AM Outlander 800 Max XT Full Set Ricochet Skids, BRP Fender Extentions Sylvania Silverstar Bulbs, 3 Renny & 3 Outty Clutch Weights 650 Outty Helix, Stock Air Filter w/PreCharger Wrap HMF Utility Series Exhaust w/Spark Arrestor 26" Maxxis Bighorns on XT Rims (1" Spacer on Fronts) 27" SuperGrip SuperLights, on Non-XT Rims (1" Spacer on Fronts) 2007 Red Can-AM Outlander 500 Max XT Full Set Ricochet Skids, BRP Fender Extentions Sylvania Silverstar Bulbs, Stock Air Filter w/PreCharger Wrap 25" Maxxis Bighorns on XT Rims |
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icanamcanyou Member
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Close up of the dirty pre-filter on the fuel pump. Attachment: CIMG4256.jpg (Downloaded 290 times)
____________________ 2007 Red Can-AM Outlander 800 Max XT Full Set Ricochet Skids, BRP Fender Extentions Sylvania Silverstar Bulbs, 3 Renny & 3 Outty Clutch Weights 650 Outty Helix, Stock Air Filter w/PreCharger Wrap HMF Utility Series Exhaust w/Spark Arrestor 26" Maxxis Bighorns on XT Rims (1" Spacer on Fronts) 27" SuperGrip SuperLights, on Non-XT Rims (1" Spacer on Fronts) 2007 Red Can-AM Outlander 500 Max XT Full Set Ricochet Skids, BRP Fender Extentions Sylvania Silverstar Bulbs, Stock Air Filter w/PreCharger Wrap 25" Maxxis Bighorns on XT Rims |
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icanamcanyou Member
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Fuel pump pre-filter after a good cleaning with carb cleaner. I really soaked it inside & out. Attachment: CIMG4261.jpg (Downloaded 289 times)
____________________ 2007 Red Can-AM Outlander 800 Max XT Full Set Ricochet Skids, BRP Fender Extentions Sylvania Silverstar Bulbs, 3 Renny & 3 Outty Clutch Weights 650 Outty Helix, Stock Air Filter w/PreCharger Wrap HMF Utility Series Exhaust w/Spark Arrestor 26" Maxxis Bighorns on XT Rims (1" Spacer on Fronts) 27" SuperGrip SuperLights, on Non-XT Rims (1" Spacer on Fronts) 2007 Red Can-AM Outlander 500 Max XT Full Set Ricochet Skids, BRP Fender Extentions Sylvania Silverstar Bulbs, Stock Air Filter w/PreCharger Wrap 25" Maxxis Bighorns on XT Rims |
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icanamcanyou Member
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Here is the empty hole in the bottom of the tank. After cleaning the pre-filter, clean the electrical contacts on the pump too....I found some junk on them too. Then put the pre-filter back on the pump, place the pump back inside tank and hand tighten the screws, do not use a power drill/screw driver for this. OH!, and make sure you clean the seals well before re-assembly too. After the pump is secured back in the tank, assemble the ATV in the reverse order of which you took it apart. I'll report again after this weekends hard riding...  Attachment: CIMG4260.jpg (Downloaded 288 times)
____________________ 2007 Red Can-AM Outlander 800 Max XT Full Set Ricochet Skids, BRP Fender Extentions Sylvania Silverstar Bulbs, 3 Renny & 3 Outty Clutch Weights 650 Outty Helix, Stock Air Filter w/PreCharger Wrap HMF Utility Series Exhaust w/Spark Arrestor 26" Maxxis Bighorns on XT Rims (1" Spacer on Fronts) 27" SuperGrip SuperLights, on Non-XT Rims (1" Spacer on Fronts) 2007 Red Can-AM Outlander 500 Max XT Full Set Ricochet Skids, BRP Fender Extentions Sylvania Silverstar Bulbs, Stock Air Filter w/PreCharger Wrap 25" Maxxis Bighorns on XT Rims |
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