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Husqvarna Cylinder Piston

Posted on Sunday, April 7, 2013 in Power Equipment

Husqvarna tc 250 2006 blowing blue smoke and oil coming out of the exhaust what does this mean?

Blue smoke is usually oil going through the combustion chamber. (White is water and black is gasoline)

The part we don't know is what sort of oil and why. If it's two-stroke oil, it could be because you mixed too much in the gasoline or an automatic oiler (a la Yamaha) is injecting too much oil. A more serious problem might be the crank seals- sucking oil from the transmission case and blowing the unburned transmission oil out the exhaust. One more possibility is that hot oil vapor has condensed onto the exhaust/expansion chamber and that's what you're seeing when the exhaust gets hot enough, Can' tell from this distance. You'll have to check each possibility for yourself. If you mix oil, drain the fuel and start with a fresh batch of gas. If your bike has auto oil system (you know because you pour straight two-stroke into a separate tank), you'll need to see how to fix that. If you're confident the problem's not two-stroke mix, you'll have to check the crank seals. This might need a professional to diagnose. If you get to this point, ask to see the results of the diagnosis because you might become a victim of an upsell: "Yeah, clean fuel stopped the smoking, but I can charge for new seals plus lots of labor ..."

If your Husky is a four stroke, it could still be oil- crankcase oil. The cause could remain tough to diagnose. A bad valve stem or too much wear in the cylinder could let the motor suck motor oil into the combustion chamber. Really bad situation- a holed piston- would do the same, though with a single cylinder, it's unlikely the motor would run. The part about hot oil vapor condensing on the inside of the exhaust still applies.

Hope you resolve your situation. ... Good luck!!

HUSQVARNA 340 345 CYLINDER AND PISTON KIT
HUSQVARNA 340 345 CYLINDER AND PISTON KIT
$49.99
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HUSQVARNA CHAINSAW 40 PISTON  CYLINDER  BOX 1134I
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HUSQVARNA CHAINSAW 61 PISTON AND CYLINDER   BOX1054M
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Time Remaining: 7h 22m
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346XP 350 353 cylinder  Piston kit fits Husqvarna 443 mm w GASKETS  DECOMP
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Time Remaining: 7h 49m
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Cylinder  Piston Head Kit Fits Husqvarna HU 61 48mm 503 53 20 71
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Time Remaining: 8h 8m
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Cylinder  Piston Kit Fits Husqvarna 136 137 141 142 Chain Saws 40mm
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Time Remaining: 8h 44m
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44MM Cylinder Piston With Gasket Pin Bearing For Husqvarna 350 351 353 346 NEW
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Time Remaining: 9h 27m

BIG BORE 52MM Cylinder Piston WT INTAKE For HUSQVARNA 362 365 371 372 372XP NEW
BIG BORE 52MM Cylinder Piston WT INTAKE For HUSQVARNA 362 365 371 372 372XP NEW
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39MM CYLINDER PISTON WT RING FOR HUSQVARNA 235 236 236E 240 240E CHAINSAW NEW
39MM CYLINDER PISTON WT RING FOR HUSQVARNA 235 236 236E 240 240E CHAINSAW NEW
$32.89
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51MM CYLINDER PISTON WT GASKET OIL SEAL BEARING FOR PARTNER HUSQVARNA K750 K760
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$59.89
Time Remaining: 9h 27m

BIG BORE 44MM Cylinder Piston With Gasket For Husqvarna 340 345 Chainsaw NEW
BIG BORE 44MM Cylinder Piston With Gasket For Husqvarna 340 345 Chainsaw NEW
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Time Remaining: 9h 27m

5X Cylinder Piston 44MM With Gasket For Husqvarna Chainsaw 350 351 353 346
5X Cylinder Piston 44MM With Gasket For Husqvarna Chainsaw 350 351 353 346
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50MM Cylinder Piston Crankshaft Muffler Clutch For HUSQVARNA 362 365 371 372 XP
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Time Remaining: 9h 27m

44MM BIG BORE Cylinder Piston With Gasket For Husqvarna 340 345 Chainsaw NEW
44MM BIG BORE Cylinder Piston With Gasket For Husqvarna 340 345 Chainsaw NEW
$38.89
Time Remaining: 9h 27m

51MM CYLINDER PISTON WT GASKET OIL SEAL BEARING FOR PARTNER HUSQVARNA K750 K760
51MM CYLINDER PISTON WT GASKET OIL SEAL BEARING FOR PARTNER HUSQVARNA K750 K760
$45.89
Time Remaining: 9h 27m

46MM Cylinder Piston With Gasket Pin Bearing For Husqvarna 55 51 Chainsaw NEW
46MM Cylinder Piston With Gasket Pin Bearing For Husqvarna 55 51 Chainsaw NEW
$29.89
Time Remaining: 9h 27m

5X Cylinder Piston 46MM With Gasket Pin Bearing For Husqvarna 55 51 Chainsaw NEW
5X Cylinder Piston 46MM With Gasket Pin Bearing For Husqvarna 55 51 Chainsaw NEW
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46MM Cylinder Piston Kit With Gasket Oil Seal Pin Bearing For Husqvarna 55 51
46MM Cylinder Piston Kit With Gasket Oil Seal Pin Bearing For Husqvarna 55 51
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51MM NIKASIL CYLINDER PISTON WITH GASKET FOR HUSQVARNA 575 575XP 570 CHAINSAW
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50MM Cylinder Piston WT Gasket Muffler For HUSQVARNA 362 365 371 372 372XP NEW
50MM Cylinder Piston WT Gasket Muffler For HUSQVARNA 362 365 371 372 372XP NEW
$45.89
Time Remaining: 9h 27m

BIG BORE 46MM Cylinder Piston Kit For Husqvarna 50 50 Rancher 50 Special NEW
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Time Remaining: 9h 27m

HUSQVARNA 272 272K 272XP 268 CYLINDER PISTON CRANKSHAFT MUFFLER IGNITION COIL
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$119.89
Time Remaining: 9h 27m

BIGBORE 52MM Cylinder Piston Crankshaft Muffler For HUSQVARNA 362 365 371 372 XP
BIGBORE 52MM Cylinder Piston Crankshaft Muffler For HUSQVARNA 362 365 371 372 XP
$92.89
Time Remaining: 9h 27m

OEM Husqvarna 362 365 Special Piston  Cylinder Kit 503 93 90 72 503 93 90 05
OEM Husqvarna 362 365 Special Piston Cylinder Kit 503 93 90 72 503 93 90 05
$270.00
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Cylinder Piston  Gasket Fits HUSQVARNA 575 575XP 570 51mm Chainsaw New
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$69.99
Time Remaining: 11h 44m
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HUSQVARNA CHAINSAW 61 PISTON AND RINGS CYLINDER STBX625
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$55.00
Time Remaining: 12h 14m
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Husqvarna 395 395XP Chainsaw Cylinder Piston OEM 394
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$159.00
Time Remaining: 12h 16m
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44mm Cylinder Piston w Gasket kits for HUSQVARNA 346XP 350 351 353 Chainsaw
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$35.88 (1 Bid)
Time Remaining: 16h 29m

HUSQVARNA 371 CHAINSAW PISTON AND CYLINDER OEM   BOX2139Y
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$95.00
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HUSQVARNA CHAINSAW 455 PISTON AND CYLINDER    BOX24Z
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CYLINDER PISTON KIT FITS HUSQVARNA 268 268 XP CHAINSAW 50mm RINGS PIN CLIPS
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HUSQVARNA CHAINSAW 455 PISTON CYLINDER    BOX23B
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$85.00
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OEM Genuine Husqvarna Piston  Cylinder kit assy 502 27 34 01  502273401
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$329.99
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Husqvarna 361 365 371 372 372XP BLEM cylinder and piston kit big bore 52mm
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$54.95
Time Remaining: 1d 4h 32m
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CYLINDER PISTON RING TOOL KIT 34 60MM STIHL HUSQVARNA CHAINSAW MADE IN ITALY
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CYLINDER PISTON RING  PISTON STOP KIT 34 60MM HUSQVARNA CHAINSAW MADE IN ITALY
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$17.95
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Husqvarna 372xp 362 365 371 oversize cylinder  piston
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$126.88
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Husquvarna 2186 385 chainsaw jug piston cylinder assembly
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$100.00
Time Remaining: 1d 9h 40m

HUSQVARNA 395 NIKASIL CYLINDER PISTON CRANKSFAFT BEARINGS GASKET SEALS KIT 56mm
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USED HUSQVARNA 365 PISTON  CYLINDER NO RINGS OEM LK
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Time Remaining: 1d 10h 8m
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New 44mm Cylinder Piston Kits for HUSQVARNA 346XP 350 351 353 Chainsaw low
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44mm Cylinder Piston Kits Oil Filter for HUSQVARNA 346XP 350 351 353 Chainsaw
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42MM CYLINDER PISTON KIT Assembly For HUSQVARNA 340 345 PIN RINGS CIRCLIPS
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CYLINDER  PISTON FITS HUSQVARNA 435 435E 440 CHAINSAW
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jonsered 455 piston cylinder rings bearing clips NICE OEM
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USED HUSQVARNA 41 CYLINDER AND PISTON
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$52.49
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48MM Cylinder Piston Rebuild Kit Assembly for HUSQVARNA 365 PIN RINGS CIRCLIPS
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51MM Cylinder Piston Rebuild Kit Assembly for HUSQVARNA K750 K760 Cutoff Saw
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$61.11
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48MM Cylinder Piston Rebuild Kit Assembly for HUSQVARNA 61 Chainsaw PIN RINGS
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$50.93
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Husqvarna 55 51 Cylinder Piston 46MM With Gasket Pin Bearing Decompression Valve
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$35.00
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52MM BIG BORE CYLINDER PISTON KIT FOR HUSQVARNA 362 365 371 372 372XP CHAINSAW
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$39.50
Time Remaining: 2d 17h 36m

Husqvarna 268 272 272XP cylinder and piston kit 52mm with gaskets
Husqvarna 268 272 272XP cylinder and piston kit 52mm with gaskets
$64.95
Time Remaining: 2d 18h 30m
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PART PISTON CYLINDER ASSEMBLY HUSQVARNA 371K 503939372
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$349.99
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