Question about 1997 Yamaha XJR 1200 SP
How do I line up the camshafts [tdc] on a 1200 Yamaha? I'm guessing the motor is a 90's model DOHC in a midget car
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1997 Yamaha XJR 1200 camshaft timing Google Search
Camshaft Specs Page 2 Workshop Help
YAMAHA XJR1200 FACTORY OWNERS REPAIR MANUAL 1995 2006 Download Manuals... $24
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Posted on Jun 15, 2017
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Posted on Jan 02, 2017
The spark will fire at top dead center and you can see it with a timing light or in the dark with the spark plug removed from the cylinder head but still connected to the coil wire and grounded against the motor (don't hold the plug or you will feel a shock, hold it by the rubber insulator.
Posted on Dec 28, 2009
ignition timing should not change(electronic ignition), if it runs reasonable valve timing is probably ok,
back fire can be lean fuel mixture, low voltage, intake leaks, exhaust leaks, tight valve clearance, burnt valve, loose electrical plug on ignition system, shorting cut off switch, including, clutch lock out and side stand switches
Posted on Apr 10, 2010
as you turn the crank clockwise thr first mark will be the fire mark, the second one should be TDC, at this point the punch marks on the cams will align with the rocker cover gasket surface
Posted on May 21, 2010
SOURCE: camshaft timing
check you have correct TDC for the indicator marks, place a rod down the plug hole and slowly rotate to confirm top dead centre for one and two, and follow the clymer instructions again.
and always turn it over by hand(as you have done) 2 complete revolutions and recheck marks , before attempting to start.
Posted on Jun 09, 2010
SOURCE: im trying to find TDC
TDC is usually the last line as you rotate the engine(it is also usually marked but hard to see though the timing hole)
It your unsure place a pencil or similar down the spark plug hole and feel when it is at the top.
Posted on Apr 03, 2011
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REMOVAL & INSTALLATION
SOHC Engine See Figures 1, 2, 3 and 4
Fig. Fig. 1: At 90 degrees past TDC, the crankshaft sprocket timing mark and keyway will align with the main bearing cap split line
Fig. Fig. 2: Exploded view of the timing chain and sprocket assembly-SOHC engine
Fig. Fig. 3: Insert the timing pin to ensure that the camshaft is at No. 1 TDC-SOHC engine
Fig. Fig. 4: When the camshaft is at TDC, rotate the crankshaft counterclockwise 90 degrees to achieve TDC
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