Question about 1997 Honda VTR 1000 F Firestorm

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Bike had cam chain tensoner and 2 valves replaced, but bike is not running wll, seems to be low in compression, i am dropping gears in bends and the bike feels like an in line 4, just has'nt the same torque. please help

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Check the valve lash (clearances). If not enough clearance, the valve(s) could be not fully seating which would create the problem you have described.

Posted on Aug 02, 2009

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2005 cavilar I was told it has direct gear to gear timing is this true


is it a 2.2 L if it is you have a chain no gear to gear you can see it at autozone library

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Hi Shekh, loose valve seat? I am sorry you can't find the first and best tool you ever bought for your Bajaj but despair not for a mere $10 you can download another one. For more information about your issue, please visit the websites below. Good luck and have a nice day. http://88.198.249.35/d/Pulsar-150-Workshop-Manual.pdf

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Timing chain issues


Sounds like you could have bent/dropped a valve, causing cam shaft to seize and break the chain. Can you turn the cam shaft? Do the valves move properly?

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Turns over but no spark, after new head askets


are you asking this 3 times removed? really>????
is this the 4 cam v6 or 2?
the 4 cam has 2 gears for 2cams and belt drive. 6ve1
the 2 cam v6 has no gears.
6ve1 engine, they have real names and all run different EFI controls
all do.

ok no spark (tested the wrong way !!!)
fuses good. or not, we test them not guess, on (looks ok)
you need to run compression on any engine with new head (or pulled) or leakdown 10x more safe.
that be first. you can bend valves on the 4 cam engine
(not on 2valve engines,one per bank)
forget the 2 CMP sensors on rear of both heads.?
spark dead on all 6 spark plugs
ckp dead.
CMP 1 or 2 dead
fuse blown.
has 6 ignition coils right, (usa) called C.O.P.'S.

i bet you didnt scan it cranking did you
if the pcm on the 6ve1 engine, sees cams turn wrong
it cuts spark to keep from bending over the head valves
the cams must be timed correctly and not in a cavalier manor
what's your engine vin code 8th digit
that tells the helper what engine is there, as you seem not to know.
there are 3 different V6 used here.

i see you really didnt check spark, just assumed it.
why? extend one cop, use fresh grounded test spark plug
omg got spark omg on all 6 in fact
omg compression is dead. x6 bent valves.

i never ever ever, crank any DOHC engine (messed with like this)
until the leak down test passes, by hand with shop air.
this act,saves further damage

VIN = Y or W
eight digit of vin is engine code. !!!
are 4 camsl

its flooding
so, compression is gone
sparks gone
or it over injecting for some reasons
if compression is ok, 150psi +
and parks good
secret wide open throttle will clear floods, (cut fuel mode )
but all this is risky on any 4 cam interference engine.

when i put the belt back (assuming cams not removed)
I check cam timing 2 time or 3 times, or risk bending valves.
6ve1
then do the leak down test now, just like you are there.
hand turned crank. (at each of the 6 TDC points(skills)
opps its got 0psi on many cylinder
that means valves are bent.

here is the SM quote step 4 belt install
WARNING If any binding is felt when adjusting the timing belt tension by turning the crankshaft, STOP turning the engine, because the pistons may be hitting the valves.
one can just throw an engine like that back together.
they also told you to set cam timing first, before pulling heads
or damage can happen,
but that depends on the event
belt snapped, jump cogs or just leaking head gasket.

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Is a 1993 gmc 2.8 an interferenc engine


Do compression test that will let you know if the valves are bent or not

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How do you tell if an engine has jumped valve timing (not ignition timing)?


Essentially, since the valves and distributor are both driven by the camshaft (via the timing chain), both are equally affected by anything that happens to the chain. Chains don't actually "jump time"
but most often will stretch out and cause the cam and distributor to lag behind the crankshaft so the pistons are out of phase with them. That causes lower and lower actual compression and later and later spark, resulting in poor power output and in extreme cases, a piston can actually touch and bend a lagging valve. If an engine is fitted with an aluminum cam gear, the gear teeth are nylon. As the gear turns, an excessively worn chain will ride up and strip off the teeth.
The best way to check is to remove the valve cover and watch the rocker arms on #1 cylinder. Both valves should be completely closed when the engine is turned to the top dead center (0) position on the timing scale and the distributor rotor should point to the #1 tower on the distributor cap. (will also point exactly 180 degrees away from it if on the exhaust stroke)
Very low compression readings in all cylinders and a rotor that "stutters when the engine is cranking are other common symptoms)
If you have those symptoms, the next thing to do is remove the timing case cover and look at the chain. if the engine has 200K miles or better, I'd replace the chain, as at that point, most chains have sufficient wear to justify replacement even in engines that seem to be running well.
This answers your question but may not solve your problem as your post leads me to believe there is something other than a valve timing issue going on there.

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4 Answers

I broke the timing chain in my 07 honda 400 ex and me and my dad tore it down and it had been smoking and burning oil so we replaced the timing chain the thre bottom gears the piston and rings with wiseco...


you probably have time 180 degrees out....4 steps....(1)piston top dead center...(2) camshaft aligned with marks...(3) dist set for #1 cyl to fire ...and (4) timing marks on damper pulley aligned with marker on the cover or eng block...good luck

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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!

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2001 H-D Road King engine knock


For valve train noise try these:
1. Low oil pressure caused by oil feed pump not functioning
properly or oil passages obstructed.
2. Faulty hydraulic lifter(s).
3. Bent push rod(s).
4. Incorrect push rod length.
5. Rocker arm binding on shaft.
6. Valve sticking in guide.
7. Chain tensioning spring or shoe worn.
8. Cam(s), cam gear(s) or cam bushing(s) worn.
9. Cam timing incorrect.

If it is a bottom end knock, an engine tear down may be in order.

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