Question about 2002 Yamaha TT-R 250

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Replacing timing chain on ttr 90

When i rebuilt my top end i didn't mark the chain or sprocket now my bikes wont go because the timings out can some one plz help !!!!!!!!!!

p.s u guys rock !!!!!

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There should be a timing mark on the magneto, rotate crank until line is visible thru inspection hole. This will position engine at Top Dead Centre. Have head complete with gaskets, valves, springs and camshft in place and position with camshaft chain in ready position, (you have to hold chain thru camchain opening) Place head on and bolt tight (no need to torque down yet) and pull camchain tight on opposite side to tensioner (fully loosened) and feed over camchain sprocket, take up tension with tensioner screw/bolt. This will have engine TDC with valves closed (as if to fire) rotate engine by hand and ensure tracking of camchain and tension is steady on chain. Valves should actuate in time. Have a close look on camchaim sprocket and a mark of some sort should show against corresponding mark on camshaft journal cuos.


http://www.yamahaownershandbook.com.au/index.php

Need the Manual: Down load from the link above, enter model, make year and download for free. (It's in four languages however) The relevent detail is in chapter 4-8 to 4-13. I think, Cheers.

Posted on May 02, 2010

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Need diagram how to install timing chain 2004 Malibu overhead cam


Procedure is pasted below. Please let me know if you have questions.
Removal & Installation2.2L Engine
  1. Before servicing the vehicle, refer to the Precautions Section.
  2. Drain the cooling system.
  3. Drain the engine oil.
  4. Remove or disconnect the following:
    NOTE The timing chain has 2 matching colored links and 1 uniquely colored link.
    Negative battery cable, PCV hose, Fuel line bracket, Ignition coil and module assembly Ground strap from camshaft cover, Camshaft cover, Front fender liner, Accessory drive belt Crankshaft balancer pulley, Accessory drive belt tensioner, Front cover-to-water pump bolt Remaining front cover bolts, Front cover
  5. Rotate the engine until the crankshaft sprocket mark aligns with the matching colored link (2) at the 5 o-clock position.
  6. Confirm that the INT diamond on the intake camshaft sprocket is aligned with the uniquely colored link at (1) the 2 o-clock position.
  7. Confirm that the EXH triangle on the exhaust camshaft sprocket is aligned with the matching colored link (3).
  8. Remove or disconnect the following:
    NOTE Use a 24 mm wrench to hold the camshafts to prevent them from turning.
    Timing chain tensioner, Fixed timing chain guide access plug, Fixed timing chain guide Upper timing chain guide, Exhaust camshaft sprocket, Timing chain tensioner guide Intake camshaft sprocket, Timing chain through the top of the cylinder head Crankshaft sprocket

    jturcotte_638.jpg

    Fig. Lining up the crankshaft sprocket mark with the colored link in the 5 o-clock position (2).


    jturcotte_639.jpg

    Fig. Aligning the intake camshaft sprocket mark with the colored link in the 2 o-clock position (1).


    jturcotte_640.jpg

    Fig. Aligning the exhaust camshaft sprocket (3).

To install:
  1. Install the crankshaft sprocket with the timing mark in the 5 o-clock position.
  2. Assemble the intake camshaft sprocket to the timing chain with the timing mark lined up with the uniquely colored link (1). Hand tighten a new intake camshaft sprocket bolt.
  3. Lower the timing chain through the opening in the cylinder head.
  4. Route the timing chain around the crankshaft sprocket and line up the first marching colored link (2) with the timing mark on the crankshaft sprocket.
  5. Install the exhaust camshaft sprocket with a new bolt loosely onto the exhaust camshaft.
  6. Align the timing mark on the sprocket with the last matching colored (3).
  7. If necessary, align the camshaft as follows:
    1. Using a 24 mm wrench, first turn the intake camshaft until the alignment feature on the back of the camshaft sprocket seats in the notch in the front of the intake camshaft.
    2. Turn the crankshaft 45 degrees in either direction.
    3. Turn the intake camshaft to the appropriate location.
    4. Turn the crankshaft back to top dead center (TDC).
  8. When the sprocket seats in on the camshaft, tighten the sprocket bolt hand tight.
  9. Verify all of the colored links and the appropriate timing marks are still aligned.
  10. Install the fixed timing chain guide. Tighten the bolts to 133 inch lbs. (15 Nm).
  11. Install the upper timing chain guide. Tighten the bolts to 89 inch lbs. (10 Nm).
  12. Using a 24 mm wrench to hold the camshafts, tighten the camshaft sprocket bolts 63 ft. lbs. (85 Nm) plus 30 degrees.
  13. Measure the timing chain tensioner from end to end. A new tensioner should be supplied in the fully compressed non-active state. A tensioner in the compressed state will measure 2.83 inches (72 mm) front end to end. A tensioner in the active state will measure 3.35 inches (85 mm) from end to end.
  14. If the timing chain tensioner is not in the compressed state, perform the following steps:
    1. Remove the piston assembly from the body of the timing chain tensioner by pulling it out.
    2. Install the bottom half of the Tensioner tool J-45027-2 into a vise.
    3. Install the notch end of the piston assembly into the bottom half of the tensioner tool.
    4. Using the top half of the Tensioner tool J-45027-1, turn the ratchet cylinder into the piston.
    5. Install the compressed piston assembly back into the timing chain tensioner body until it stops at the bottom of the bore. Do not compress the piston assembly against the bottom of the bore.

  15. Install the timing chain tensioner assembly. Tighten to 66 ft. lbs. (75 Nm).
  16. Release the timing chain tensioner by compressing it approximately 0.08 inches (2mm). Feed a rubber-tipped tool down through the cam drive chest to reset on the cam chain. Give the tool a sharp jolt diagonally downwards to release the tensioner.
  17. Install the timing chain oiling nozzle.
  18. Install the timing chain guide bolt access hold plug with silicone sealant on the threads. Tighten the plug to 59 ft. lbs. (90 Nm).
  19. Install or connect the following:

    Camshaft cover. Tighten the bolts to 89 inch lbs. (10 Nm). Front cover with new gasket. Tighten the bolts to 18 ft. lbs. (25 Nm). Accessory drive belt tensioner. Tighten the bolts to 33 ft. lbs. (45 Nm). Crankshaft balancer pulley using a new bolt. Tighten the bolt to 74 ft. lbs. (100 Nm) plus 75 degrees. Accessory drive belt, Front fender liner, Ground strap to camshaft cover Ignition coil and module assembly, Fuel line bracket, Air intake assembly, Negative battery cable
  20. Refill the cooling system to the correct level.
  21. Refill the engine with oil to the correct level.
  22. Start the engine and check for leaks.

    jturcotte_2381.gif

    Fig. Compressing the timing chain tensioner-2.2L engine.

Oct 06, 2011 | 2004 Chevrolet Malibu

1 Answer

I have a 98 dodge intrepid 2.7L and i had a guy come over to help me replace the water pump and timing chain. after we took the timing chain off and replaced the water pump i noticed that he rotated the...


if he just turned the cams over by hand then i doubt that he damaged anything as if a valve was open when the piston came to top dead center then it would have stopped moving.the noise isn`t uncommon because the valves springs will make some noise as they are compressed and the rockers will make some noise as they move against the cam lobe and and the valves will make some noise as the valve spring forces the valve shut.if when you aligned the cam marks and they didn`t hit the pistons and stopped you from moving the cams and all timing marks are aligned then you should be okay to start the motor.

Apr 08, 2011 | Dodge Intrepid Cars & Trucks

1 Answer

2005 f250 5.4 gas need to know specs for timing a diagram would be awesome


To Install:
  1. Install balance shaft drive gear onto the left camshaft.
  2. Install the camshaft sprockets and new bolts finger tight.
  3. Using a vise, compress the timing chain tensioner plunger.
  4. Install a retaining clip on the tensioner to hold plunger IN during installation.
    marking timing chain a0038720.gif

  5. If timing chain copper links are not visible, mark 2 links on one end and 1 link on the other end to be used as timing marks.
  6. Install right and left timing chain guides. Tighten bolts to 89 in-lbs (10 Nm).
  7. Rotate the left camshaft until the timing mark is at the 12 o'clock position.
  8. Rotate the right camshaft until the timing mark is at the 11 o'clock position.
  9. Position the crankshaft using the special tool. Then remove the tool.
    Crankshaft special tool positioning n0013602.gif

  10. Install the crankshaft sprocket with flange facing forward.
    Crankshaft sprocket timing mark n0011528.gif

  11. Position lower end of left (inner) timing chain on the crankshaft sprocket. Align the copper (or marked) chain link with the timing mark on the outer flange of the crankshaft pulley. NOTE: Upper half of timing chain must be below the tensioner arm dowel.
  12. Position the left timing chain on the camshaft sprocket. The timing mark on the camshaft sprocket must be aligned between the 2 copper (or marked) chain links.
    Left camshaft sprocket timing mark a0080774.gif

  13. Place the left timing chain tensioner arm on the dowel pin and install the timing chain tensioner and bolts. Tighten bolts to 18 ft-lbs (25 Nm). NOTE: Lower half of timing chain must be above the tensioner arm dowel.
    Crankshaft sprocket timing mark a0079624.gif
  14. Position lower end of right (outer) timing chain on the crankshaft sprocket. Align the copper (or marked) chain link with the timing mark on the outer flange of the crankshaft pulley.
    Right camshaft sprocket timing mark a0041104.gif

  15. Position the right timing chain on the camshaft sprocket. The timing mark on the camshaft sprocket must be aligned between the 2 copper (or marked) chain links.
  16. Place the right timing chain tensioner arm on the dowel pin and install the timing chain tensioner and bolts. Tighten bolts to 18 ft-lbs (25 Nm).
  17. Remove the retaining clips from the right and left timing chain tensioners.
  18. Verify alignment of all timing marks.
  19. Install crankshaft sensor ring on crankshaft.
  20. Locate index mark on balance shaft and mark corresponding gear tooth with chalk.
  21. Position balance shaft on journals. NOTE: It may be helpful to use an inspection mirror to view the marks timing marks.
  22. Align the chalk mark on the balance shaft with the camshaft timing mark.
    Balance shaft bearing caps n0007112.gif

  23. Install the balance shaft bearing caps in their original locations. Follow the tightening sequence as shown in the illustration. Tighten bolts to 89 in-lbs (10 Nm).
  24. Tighten the camshaft phaser sprocket bolts in the correct sequence using 2 steps, as follows:
    • Step 1-30 ft-lbs (40 Nm)
    • Step 2-tighten an additional 90 degrees
  25. Position the crankshaft keyway in the 11 o'clock position.
  26. Lubricate and install all camshaft roller followers. WARNING
    Engine front cover replacement procedure must be completed within 4 minutes or entire procedure must be repeated. Failure to do so may result in future leaks

Oct 07, 2010 | Ford F-250 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

2 Answers

How to set the timing chain on a 2005 kawasaki


Timing chain marks??? Or marks on your cams?? On the cams you should have 2 marks on each side of your cam sprocket. They should be even with the top of your jug...

Dec 29, 2009 | 2005 kawasaki KX 250

1 Answer

Timing chain 110 hymoto pit bike


you have to put the piston at the top and the sprocket and crank at the bottom hope this helped

Aug 19, 2009 | Pit SSR 110CC Pro Beginner Bike

1 Answer

Timing chain 110 hymoto pit bike


Put the piston at TDC (Top Dead Center) by lining up the timing marks on the flywheel and stator. Put the cylinder head back together with the cam installed so the high points of the cam lobes are pointing kind of downward. Pull the cam chain taught on the front side of the engine. Put the chain on the cam gear such that, when bolted to the cam, the index mark or marks are in the proper position.

The proper position depends on what markings are on the cam. Some bikes have a single mark; an arrow, a straight line or an "O". The mark should line up with the center-line of the crankshaft. If the cam has two marks opposite each other, the lines should be parallel with the gasket surface. You will need to rotate the unbolted cam left or right just a bit in order to match up the bolt holes to the gear holes.

Can I get a “very helpful” rating on this answer?

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Aug 19, 2009 | 1984 Honda GL 1200 Gold Wing

1 Answer

I have a 99 dodge intrepid that threw a rod and my father-in-law and I have been trying to time the car for a year now. We get number one piston up but the mark on the oil pump doesnt line up with the mark...


I'm not sure what you may be "doing wrong", but here is the manufacturer procedure for aligning the timing marks.
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^Refer to this diagram during step 12.
046beb2.gif
^Refer to this diagram during step 13.
95add8f.gif
^Refer to this diagram for step 19.

1. Align crankshaft sprocket timing mark to the mark on oil pump housing. NOTE: Lubricate timing chain and guides with engine oil before installation.
2. Place left side primary chain sprocket onto the chain so that the timing mark is located in-between the two (plated) timing links.
3. Lower the primary chain with left side sprocket through the left cylinder head opening. NOTE: The camshaft sprockets can be allowed to float on the camshaft hub during installation.
4. Loosely position left side camshaft sprocket over camshaft hub.
5. Align timing (plated) link to the crankshaft sprocket timing mark.
6. Position primary chain onto water pump drive sprocket.
7. Align right camshaft sprocket timing mark to the timing (plated) link on the timing chain and loosely position over camshaft hub.
8. Verify that all chain timing (plated) links are properly aligned to the timing marks on all sprockets.
9. Install left side lower chain guide and tensioner arm. Tighten attaching bolts to 28 Nm (250 in. lbs.). NOTE: Inspect oil ring on chain guide access plug before installing. Replace O-ring as necessary.
10. Install chain guide access plug to left side cylinder head. Tighten plug to 20 Nm (15 ft. lbs.)
11. NOTE:
To reset the primary timing chain tensioner, engine oil will first need to be purged from the tensioner.
12. Purge oil from timing chain tensioner using the following procedure:
a) Place the check ball end of tensioner into the shallow end of Special Tool 8186.
b) Using hand pressure, slowly depress tensioner until oil is purged from tensioner.
13. Reset timing chain tensioner using the following procedure:
a) Position cylinder plunger into the deeper end of Special Tool 8186.
b) Apply a downward force until tensioner is reset. NOTE: If oil was not first purged from the tensioner, use slight finger pressure to assist the center arm pin of Special Tool 8186 to unseat the tensioner's check ball. CAUTION: Ensure the tensioner is properly reset. The tensioner body must bottom against the top edge of Special Tool 8186. Failure to properly perform the resetting procedure may cause tensioner jamming.
14. Install the reset chain tensioner into the right cylinder head.
15. Position tensioner retaining plate and tighten bolts to 12 Nm (105 in. lbs.).
16. Starting at the right cylinder bank, insert a 3/8" square drive extension with a breaker bar into intake camshaft drive hub. Rotate camshaft until the camshaft hub aligns to the camshaft sprocket and damper attaching holes. Install the sprocket attaching bolts and tighten to 28 Nm (250 in. lbs.).
17. Turn the left side camshaft by inserting a 3/8" square drive extension with a breaker bar into intake camshaft drive hub and rotate camshaft until the sprocket attaching bolts can be installed. Tighten sprocket bolts to 28 Nm (250 in. lbs.).
18. Rotate engine slightly clockwise to remove timing chain slack, if necessary.
19. To arm the timing chain tensioner: Use a flat bladed pry tool to gently pry tensioner arm towards the tensioner slightly. Then, release the tensioner arm. Verify the tensioner is armed (extends).
20. Install the timing chain cover, crankshaft damper, and cylinder head covers.
21. Install camshaft position sensor and connect electrical connector.

Hope this helps!
Mitchell

May 16, 2009 | 1999 Dodge Intrepid

2 Answers

How do u know if your chain is worn out or if it


Unhook the master link and lay the chain in the concrete. Next, hold one end to the concrete and sort of push the chain towards the stationary end. The object is to push the chain together as opposed to stretching it apart. Mark the concrete at the location of the shortened end. Now again hold the stationary end firm and this time stretch the chain to its' fullest length. Mark the concrete again at the end of the stretched chain. If the distance between the marks is over one inch the chain should be replaced.
.
Look at the teeth of both sprockets. Are the teeth rounded on the end or are the teeth forming a pointed looking end? If rounded, then the sprocket is good. If pointed, then the sprocket is bad.
Bad sprockets can ruin a good chain. The exception to the one inch rule is a chain that is rusted and no longer limber. Replace a rusted chain. Remember, always install the master link clip with the blunt end facing the direction of chain travel.
.
Please rate this solution, Thanks.

Mar 18, 2009 | 2001 Yamaha YZF-R6

2 Answers

1993 YZ250 Timing


Judging by your previous questions,I think this is the info you need.
Setting cam timing with stock cams is relatively easy using the punch mark on the cam gears For stock timing, the punch marks at 9 O'clock on the exhaust cam and at 3 O'clock on the intake cam should align with the top of the head. If stock timing is altered the exhaust cam punch mark will either be one tooth above or one tooth below the top of the head.
e4c9919.jpg
  1. Take out tensioner.
  2. Remove both plugs from shifter side of crankcase, the center plug to turn, the 11:00 plug to locate the 'I' (not the H) in.
  3. Use a ratchet on end of crankshaft (through center plug) and zip tie ratchet to footpeg with the I lined up in the timing plug hole.
  4. With the intake cam (rear one) pointing straight back, align the punch mark on the backside of the intake cam sprocket with the top of the head. Since the slack in the timing chain is in the back, if it doesn't align exactly right at the top of the head, err slightly high. Zip tie chain to intake sprocket.
3e53632.jpg
  1. Remove exhaust cam, count 12 links (where sprocket teeth will go) from the punch mark on the top of the intake cam and mark that position on the chain with something noticeable (use a Sharpie). Hold the exhaust cam close the to intake cam with the exhaust cams pointing horizontally to the front of the bike. With the exhaust cam in this position, there will be a punch mark at the top. Put the tooth above this punch mark in the chain link you marked that was 12 or 13 over. Zip-tie the chain to the exhaust cam.
  2. Reseat exhaust cam. The punch mark on the left side of the exhaust sprocket will align with the top of the head. It will be one link high. Go back and check that the I is still centered in the timing plug hole
    1. the intake cams point back
    2. the exhaust cams point frontward
    3. the rear punch mark on the intake is aligned or slight high with the top of the head
    4. the front punch mark of the exhaust sprocket is aligned with the top of the head
  3. Bolt and torque exhaust cam, torque intake if you've had it off.
  4. Install chain tensioner (wind it up, hold the screwdriver with two hands, use the third hand to put hold tensioner in place, and fourth hand to bolt it up, then release screwdriver and put end bolt in it.
  5. Remove zip ties on intake sprocket, exhaust sprocket, and ratchet holding TDC. Remove ratchet and replace both plugs.
  6. Put on valve cover and two hoses, reinstall tank and seat and go riding.

Please rate this a Fixya.

Feb 01, 2009 | Yamaha YZ 250 Motorcycles

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