Question about 2005 Suzuki RM-Z 250

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Could you guys illustrate to us the correct timings for the camshaft of kxf25o dirt bike? We can't seem to fire up the bike hope to hear from you we are eager to fire up the bike. Thanks

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  • loui_ng Dec 12, 2008

    thanks for this we did this already but the bike wont start what happen is instead the exhaust gives fire out the carburator gives out fire it only gives a sneezing sound out in the carburator



  • loui_ng Dec 12, 2008

    ok thanks for this sir

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Set your piston at TDC (top dead center), align the dots on the cam gears parallel with the top gasket surface of the cylinder head, then install your cam chain. Install and set your tensioner assembly. Your engine should now be in time. Turn the engine over one full cycle, re-check your cam timing, and adjust if nessesary.

Posted on Dec 11, 2008

  • Kenny W Dec 12, 2008

    check your valve clearances. Your valves may need to be re-shimed. These bikes are bad for that. The intake should be about .006" and the exhaust should be about .008". If the clearances are out of spec., this will make the bike extreamly hard to start if you can get it to start at all. You can get a shim kit from "Hotcams" or take it to your nearest dealer to have it re-shimed.

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2006 Toyota Camry 2.4 no fire on 1 & 3 with sporatic rapid fire on 2 & 4. Replaced camshaft sensor, triple checked all ground wiring, coils are fine, timing is good, and when you disconnect t


Hi,
Did the issues just start or only after some kind of car service?

I read where you checked the coil(s) but that's still what it sounds like.

I'd get a used coil(s) from a Wrecking/Salvage yard and try those - usually can be returned, whereas the dealer won't take 'em back.

GL,
TD

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Replaced coil on 49cc will not fire


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How long can the Razor MX500 Dirt Rocket be ridden after charged?


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Although firing oder is correct still won't run


I sugest check crank / camshaft sensor positions, battery charge, starter and ignition switch. Also fuel pressure.

Some aftermark or antitheft sysrtem there?
Hope this helps; also keep in mind that your feedback is important and I'll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using Fixya, and have a nice day

Dec 19, 2011 | 1985 Ford F150

1 Answer

How to set the timing on a 1995 Volkswagen jetta 2.0L


You can't "set" the ignition timing on this engine. It's controlled by the engine computer or ECM as VW calls it. (Engine Control Module) The ECM uses a sensor in the distributor and on the crankshaft to determine when to fire the cylinders. If the distributor was removed, it needs to be re-installed in a certain position and it would be too difficult to explain it here with text only. You will need to either get a repair manual or look for an illustrated procedure on the web. If your are asking about camshaft belt timing, you will again need an illustrated manual to do this.

Feb 09, 2011 | 1995 Volkswagen Jetta

1 Answer

Replacement of timing belt on 2001 daiwoo legansa


This should give you a clue as to how to replace the timing belt on the camshaft pulleys.prev.gif next.gif Camshaft and Valve Lifters REMOVAL & INSTALLATION 1.6L Engine
  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2. Relieve the fuel system pressure.
  3. Remove or disconnect the following:
    • Negative battery cable
    • Timing belt
    • Crankcase ventilation tube from the valve cover
    • Spark plug cover bolts and the cover
    • Camshaft Position (CMP) sensor connector
    • Spark plug wires from the plugs
    • Valve cover nuts, washers, cover and gasket
    NOTE: Be very careful not to nick or scratch the camshafts.
  4. Hold the flats of the intake camshaft in position using an open ended wrench and remove the camshaft gear bolt. Remove the gear.
  5. Hold the flats of the exhaust camshaft in position using an open ended wrench and remove the camshaft gear bolt. Remove the gear.
  6. Mark the camshaft cap locations so that they may be returned to their original positions.
  7. Remove the camshaft cap bolts in the sequence illustrated.
  8. Remove the caps and the camshafts. Fig. 1: Loosen the camshaft cap bolts in this sequence using several passes - 1.6L engine 9307zg85.gif
    To install:
  9. Lubricate the camshafts and caps with engine oil.
  10. Install the caps and the camshafts in their original positions.
  11. Tighten the camshaft cap bolts in the sequence illustrated to 12 ft. lbs. (16 Nm). Fig. 2: Tighten the camshaft cap bolts in the sequence illustrated using several passes - 1.6L engine 9307zg84.gif

  12. Measure the camshaft endplay on both camshafts. The endplay should be 0.003-0.009 in. (0.10-0.25mm).
  13. Install the intake camshaft gear. Hold the flats of the intake camshaft in position using an open ended wrench and tighten the camshaft gear bolt to 49 ft. lbs. (67 Nm).
  14. Install the exhaust camshaft gear. Hold the flats of the exhaust camshaft in position using an open ended wrench and tighten the camshaft gear bolt to 49 ft. lbs. (67 Nm).
  15. Apply a small amount of gasket sealer to the corners of the front camshaft caps and to the top of the rear valve cover-to-cylinder head seal.
  16. Install or connect the following:
    • Valve cover, washers and nuts. Tighten the nuts to 89 inch lbs. (10 Nm).
    • Spark plug wires to the plugs
    • Spark plug cover and bolts. Tighten the bolts to 27 inch lbs. (3 Nm).
    • CMP sensor connector
    • Crankcase ventilation tube to the valve cover
    • Timing belt
2.0L and 2.2L Engines
  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2. Relieve the fuel system pressure.
  3. Remove or disconnect the following:
    • Negative battery cable
    • Timing belt
    • Crankcase ventilation tube from the valve cover
    • Spark plug cover bolts and the cover
    • Spark plug wires from the plugs
    • Camshaft Position (CMP) sensor connector
    • Valve cover nuts, washers, cover and gasket
    NOTE: Be very careful not to nick or scratch the camshafts.
  4. Hold the flats of the intake camshaft in position using an open ended wrench and remove the camshaft gear bolt. Remove the gear.
  5. Hold the flats of the exhaust camshaft in position using an open ended wrench and remove the camshaft gear bolt. Remove the gear.
  6. Mark the camshaft cap locations so that they may be returned to their original positions.
  7. Remove the camshaft cap bolts in several passes of one half turn each in the sequence illustrated.
  8. Remove the seal ring from the camshafts. NOTE: Make sure the camshafts detaches evenly from the bearing seats in the front guide bearing.
  9. Remove the caps and the camshafts. Fig. 3: Remove the camshaft cap bolts in several passes of one half turn each in the sequence illustrated - 2.0L and 2.2L engines 9307zg38.gif
    To install:
  10. Lubricate the camshafts and caps with engine oil.
  11. Install the caps and the camshafts in their original positions.
  12. Tighten the camshaft cap bolts in the sequence illustrated to 71 inch lbs. (8 Nm). Fig. 4: Tighten the camshaft cap bolts in the sequence illustrated using several passes - 2.0L and 2.2L engines 9307zg37.gif

  13. Measure the camshaft endplay on both camshafts. The endplay should be 0.0015-0.0056 in. (0.040-0.144mm).
  14. Install the intake camshaft gear. Hold the flats of the intake camshaft in position using an open ended wrench and tighten the camshaft gear bolt to 37 ft. lbs. (50 Nm), retighten the bolt an additional 60 degree turn and finally an additional 15 degree turn.
  15. Install the exhaust camshaft gear. Hold the flats of the exhaust camshaft in position using an open ended wrench and tighten the camshaft gear bolt to 37 ft. lbs. (50 Nm), retighten the bolt an additional 60 degree turn and finally an additional 15 degree turn.
  16. Install or connect the following:
    • Valve cover, washers and nuts. Tighten the nuts to 71 inch lbs. (8 Nm).
    • CMP sensor connector
    • Spark plug wires to the plugs
    • Spark plug cover and bolts. Tighten the bolts to 27 inch lbs. (3 Nm).
    • Crankcase ventilation tube to the valve cover
    • Timing belt
    • Negative battery cable

Feb 04, 2011 | 2001 Daewoo Leganza

1 Answer

I have a 2002 pontiac grand am i am replaceing the cam chain need to know how to time the cams with the crank, new chain only has one marked link


  1. Rotate the engine until the crankshaft sprocket mark aligns with the second silver link (2) at the 5 o'clock position. Refer to the illustration.

    zjlimited_451.jpg

    Fig. Rotate the engine until the crankshaft sprocket mark aligns with the second silver link (2) at the 5 o'clock position-2.2L engine

  2. Make sure the INT diamond on the intake camshaft sprocket is aligned with the copper link at (1) at the 2 o'clock position. Refer to the illustration.

    zjlimited_452.jpg

    Fig. Make sure the INT diamond on the intake camshaft sprocket is aligned with the copper link at (1) at the 2 o'clock position-2.2L engine

  3. Make sure the EXH triangle on the exhaust camshaft sprocket is aligned with the silver link (3). Refer to the illustration.

    zjlimited_453.jpg

    Fig. Make sure the EXH triangle on the exhaust camshaft sprocket is aligned with the silver link (3)-2.2L engine



  4. Hope helps.

Jan 12, 2011 | 2002 Pontiac Grand Am

1 Answer

Timing belt broke,engine out of time,need to timing and install new belt how do i set timing.98 escort zx2 2.0 L


2.0L Engine SOHC ENGINE
  1. Remove the drive belt and timing cover.
  2. Raise the car and support it with safety stands.
  3. Remove the right-hand splash shield and the crankshaft pulley. Fig. 11: The timing marks on both the camshaft and crankshaft pulleys must be aligned like this before removing or installing the timing belt — 2.0L SOHC engines 90983g66.gif

  4. Align the timing marks as illustrated in the accompanying illustration.
  5. Refer to the accompanying illustration and remove the timing belt as follows:
    1. Loosen the timing belt tensioner bolt (1).
    2. Use an 8mm Allen wrench, and turn the tensioner (2) counterclockwise 1⁄4 turn.
    3. Insert a 1⁄8 inch drill bit in the hole (3) to lock the belt tensioner in place.
    4. Remove the timing belt (4). Fig. 12: Remove the timing belt by following these 4 numbered steps (refer to the text for an explanation) — 2.0L SOHC engine 90983g67.gif

    5. Inspect the belt for damage and signs of oil leakage. To install: NOTE: Install the timing belt over the sprocket in a counterclockwise direction starting at the crankshaft. Keep the belt span between the crankshaft and camshaft tight when installing the belt over the camshaft.
  6. Install the timing belt and remove the drill bit.
  7. Tighten the tensioner bolt to 15–22 ft. lbs. (20–30 Nm).
  8. Rotate the engine two complete revolutions and make sure the timing marks are aligned.
  9. Install the timing belt cover and crankshaft pulley.
  10. Install the right-hand splash shield and the drive belt.
  11. Start the car and check for proper operation.
DOHC ENGINE NOTE: A camshaft alignment timing tool (No. T94P-6256-CH or equivalent) and a crankshaft Top Dead Center (TDC) timing peg tool (No. T97P-6000-A or equivalent) are required for this procedure. NOTE: Make sure the correct notch in the pulley is indexed to the lower cylinder block. Refer to the accompanying illustration. Fig. 13: A camshaft alignment timing tool . . . 90983g68.gif
Fig. 14: . . . and a crankshaft TDC timing peg tool are required when removing and installing the timing belt 90983g69.gif
  1. Remove the spark plugs.
  2. Rotate the crankshaft to TDC.
  3. Locate and remove the plug bolt by the Crankshaft Position (CKP) sensor (refer to the illustration) and install the TDC timing peg. Fig. 15: Remove the plug bolt by the Crankshaft Position (CKP) sensor and install the TDC timing peg 90983g70.gif

  4. Raise the car and support it with safety stands.
  5. Unfasten the splash shields bolts and remove the shield.
  6. Lower the car and remove the water pump pulley.
  7. Remove the valve cover and the timing belt covers.
  8. Align the camshafts and install the camshaft alignment tool on the back of the camshafts as illustrated. Fig. 16: Align the camshafts and install the alignment tool 90983g76.gif
    WARNING
    If the camshaft belt is being reused, mark the direction of the camshaft belt to the rotation of the camshaft prior to removal, or premature wear and belt failure could occur.
  9. Loosen the tensioner pulley bolt and relieve the tension on the belt by disconnecting the tensioner tab from the timing cover back plate.
  10. Slide the belt off the sprockets.
  11. Inspect the belt for wear and replace as necessary. Fig. 17: Timing belt routing — 2.0L DOHC engine 90983g71.gif
    To install:
  12. If, for any reason, the engine was disturbed, the camshafts moved or the sprockets replaced, perform the following procedure: NOTE: Make sure the correct notch in the pulley is indexed to the lower cylinder block.
    1. Position the crankshaft just prior to Top Dead Center (TDC).
    2. If not already done, locate and remove the plug bolt by the Crankshaft Position (CKP) sensor (refer to the illustration) and install the TDC timing peg.
    3. Rotate the crankshaft clockwise against the TDC peg. NOTE: Installation of the alignment tool into the exhaust camshaft may require the camshafts to be rotated clockwise.
    4. Install the camshaft alignment tool on the back of the camshafts.
    5. Install the timing belt and engage the timing belt tensioner tab into the upper timing cover backplate. NOTE: A 3⁄8 inch drive, 10mm, 2 inch torque adapter offset is required to tighten the tensioner bolt.
    6. Using a 6mm Allen wrench, adjust the tensioner until the index marks are aligned and tighten the bolt to 17–20 ft. lbs. (22–28 Nm).
    7. Rotate the crankshaft clockwise against the TDC alignment peg, then remove the camshaft alignment tool.
    8. Remove the TDC peg tool and install the plug bolt.
    9. Install the timing and valve covers.
    10. Install the water pump pulley and the splash shield.
    11. Install the spark plugs. If the engine or the camshaft were not disturbed in any way, or the sprockets were not removed, perform the following procedure:
  13. Install the timing belt and engage the timing belt tensioner tab into the upper timing cover backplate. Fig. 18: Engage the timing belt tensioner tab into the upper timing cover backplate . . . 90983g72.gif
    Fig. 19: . . . then use a 6mm Allen wrench to adjust the tensioner until the index marks are aligned 90983g73.gif
    Fig. 20: A 3⁄8 inch drive, 10mm, 2 inch torque adapter offset is required to tighten the tensioner bolt (arrow) — 2.0L DOHC engine 90983g75.gif
    NOTE: A 3⁄8 inch drive, 10mm, 2 inch torque adapter offset is required to tighten the tensioner bolt.
  14. Using a 6mm Allen wrench, adjust the tensioner until the index marks are aligned and tighten the bolt to 17–20 ft. lbs. (22–28 Nm).
  15. Rotate the crankshaft clockwise against the TDC alignment peg, then remove the camshaft alignment tool. Fig. 21: Rotate the crankshaft clockwise against the TDC alignment peg 90983g74.gif

  16. Remove the TDC peg tool and install the plug bolt.
  17. Install the timing and valve covers.
  18. Install the water pump pulley and the splash shield.
  19. Install the spark plugs.
prev.gif next.gif

Aug 26, 2010 | Ford E-Series Cars & Trucks

2 Answers

Hi guys I need some help with the drive shaft for a 97 cavalier z22 2.2engine. I decided I was going to change the timing chain this weekend after hearing a noise for some time and came to the...


Timing Chain and Gears REMOVAL & INSTALLATION 2.2L Engine Fig. 1: The timing marks on the sprockets should be in alignment. If not, turn the crankshaft until the marks are aligned 91113p63.jpg
Fig. 2: The timing chain tensioner is retained by a Torx head bolt (1) and a regular hex head bolt (2) 91113p58.jpg
Fig. 3: Unfasten the camshaft sprocket bolt 91113p59.jpg
Fig. 4: Remove the camshaft sprocket and the timing chain at the same time . . . 91113p60.jpg
Fig. 5: . . . then remove the tensioner assembly 91113p61.jpg
Fig. 6: Compress the tensioner spring and insert a cotter pin or nail in the hole provided to hold the tensioner in position 91113p62.jpg
  1. Disconnect the negative battery cable.
  2. Remove the front cover as previously detailed.
  3. Place the No. 1 piston at TDC of the compression stroke so that the marks on the camshaft and crankshaft sprockets are in alignment (see illustration).
  4. Loosen the timing chain tensioner nut as far as possible without actually removing it.
  5. Remove the camshaft sprocket bolts and remove the sprocket and chain together. If the sprocket does not slide from the camshaft easily, a light blow with a soft mallet at the lower edge of the sprocket will dislodge it.
  6. Using a suitable gear puller, remove the crankshaft sprocket. To install:
  7. Press the crankshaft sprocket back onto the crankshaft.
  8. Install the timing chain over the camshaft sprocket and then around the crankshaft sprocket. Make sure that the marks on the two sprockets are in alignment (see illustration). Lubricate the thrust surface with Molykote® or its equivalent.
  9. Align the dowel in the camshaft with the dowel hole in the sprocket and then install the sprocket onto the camshaft. Use the mounting bolts to draw the sprocket onto the camshaft and then tighten to 66–68 ft. lbs. (91–95 Nm).
  10. Lubricate the timing chain with clean engine oil. Tighten the chain tensioner.
  11. Installation of the remaining components is in the reverse order of removal. Fig. 7: Exploded view of the timing chain and sprockets — 2.2L OHV engine 87953107.gif

Aug 03, 2010 | 1997 Chevrolet Cavalier

1 Answer

1985 XR 200 ALL TIMING MARKS SEEM TO BE RIGHT, HAS FUEL ,HAS SPARK .BUT WILL NOT START


By "all timing marks seem to be right", are you talking about the timing marks on the alternator rotor or the camshaft timing marks? A 1985 model is a pretty old bike. If it has never had a timing chain or the adjuster guides replaced, you may need to address this issue. Not only do you need for the ignition timing to be correct, you need the camshaft timing to be correct as well.

In your problem line, you stated that you had fuel, and spark. You need three things to get any engine to run, fuel, spark, and compression. Do a compression check on the engine. If the compression is low, it won't start either. Three things can cause low compression. Bad rings, improper camshaft timing, and valves not seating properly.

If you want to get the bike running again, I would suggest you do a "top end job" on the engine. Pull the head and cylinder. Measure the cylinder for wear and bore for a new piston if necessary. Replace the rings. Have a valve job done on the head at a local machine shop. When you put it back together, do so using a new timing chain and adjuster slides. You'll be surprised at what a "New" engine feels like. Good Luck!

Jan 31, 2010 | Honda XR 200 Motorcycles

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