Question about Triumph Sprint RS Motorcycles

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It hasa slight rattle when reved but on cruise or on overrun it is very loud rattle which is in tie with engine revs but when it gets to about 2500 revs it is very sparodic

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This could be anything from the valve settings being loose, to piston slop or wrist pins, to rod bearings. Really hard to say, since a rattle can describe a lot of different things. If you can isolate the location of the noise, it would help greatly in the diagnosis.

If you have access to a stethoscope, you can listen to different areas of the engine and tell where the noise is coming from.

No stethoscope, use a large screwdriver, put the tip against the engine and handle to ear. Move around the engine till you find the loudest noise. That will be the area that probably needs attention.

Posted on Apr 10, 2011

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Posted on Jan 02, 2017

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Engine knocking i reved up the motor a loud pop sound came from under the hood now the motor will only turn a little bit even by hand before locking up tight. any ideas?


From your descripion you may have spun a rod bearing. I haven't really seen any timing chains break persay. You usually hear a rattling sound coming from the front of the motor but you can still rev it up.
It sounds to me like you might want to clean out a pan large enough to drain the engine oil in. Drain the oil and look for small metalic flakes. If you see any, it's time to call some salvage yards and shop for a low milage motor(less than 100,000 miles) If you are lucky, you might stumble upon one with 50,000 miles or so. It's probably the motor though. If the chain broke, the upper end of the engine is going to be scrap metal anyway because the valves would have hit the pistons and bent..It would still be cheaper to replace the motor with a used one. Good luck

Mar 12, 2014 | 1994 Nissan Pickup

1 Answer

Engine rattle at idle or low revs


What kind of vehicle ? Which engine? Need more info.

Nov 19, 2013 | Cars & Trucks

1 Answer

My car reves very loud when I put it in park


The rattle is probably an exhaust pipe rattling on the axle or a heat-shield ready to fall off. Remove shield completely or put a hanger to take exhaust off of the rear axle.

The rev increase is probably the throttle positioning sensor or the Speed Sensor.
Prior to replacing you should check the wiring carefully for frays and breaks near the ECM (Computer) or a vacuum leak on the engine somewhere.

If your ECM is behind the passenger headlight at the bottom then it is exposed to the weather and the brackets holding the ECM get loose or it moves around and frays the wires in this location leading to the ECM or the connectors to the ECM get corroded.  Carefully inspect these and replace that part of the harness - One may even get a long harness piece and move the ECM to the top of the Engine out of the weather elements.
Hope this helps.
East Coast Canada Rocks!
RJ
:)

Jun 08, 2010 | 1992 Chevrolet Cavalier

2 Answers

Slight engine rattle when reving. engine in very good condition. just starting to notice the sound when i rev while in neutral.


hi this could be the hydraulic tappet's they might be warn or the oil is now thin and needs changing, if the rattle is coming from the top that is, hope this helps

Feb 22, 2010 | 1999 Toyota Camry

1 Answer

Engine rattling noise when reving above 2599 RPM's


sounds like crank noise....very serious...

but less serious to fix then to fix after it goes.


if could also be the vanos, variable valve timing. but at 2500 i'd say crank, especially if it has that rattle tone. that sound is a wearing connecting rod bearing. when it goes, the engine basically blows up and the insides try to escape through the engine wall...that destroys the bottom end, when that happens, stuff sometimes also goes up into the head, that destroys the top end.

then you would need a long block.

BTW: stop revying it above 2500. you need an engine job....seriously maybe cheaper to get a replacement engine from the junk yard.

Jan 27, 2010 | 1997 BMW 318

1 Answer

Loud rattling / buzzing noise from engine when cold not seconday air pump or air valve as already replaced.Timing belt,water pump and aux pullies all checked and ok.The colder the weather the louder the...


If the rattling changes with the revs of the engine, it might be that the valve compensators are either worn or not getting enough lubrication. 20V engines have quite small oil passages travelling to the head. They tend to clog up with gunk if the oil change is not frequent enough.

Jun 03, 2017 | 2003 Volkswagen Passat

2 Answers

Rattles at low reves only


THE RATTLING YOU HEAR AT LOW R'S IS MORE THAN LIKELY THE CAM CHAIN RATTLING. THE CHAIN TENSIONER IS ADJUSTABLE TO A DEGREE BUT A BIKE OF THIS AGE(IF OVER SAY 10000 MILES) MAY NEED A NEW CHAIN TO ALLEVIATE THIS PROBLEM. LOOSE CHAIN CAN CAUSE CAM TIMING TO VARIATE CAUSING A SLIGHT MISFIRE.
THIS MISFIRE COULD ALSO BE THE RESULT OF DIRTY CARBS. IF SO THEY WILL NEED CLEANING AND SYNCING.

Oct 21, 2009 | 2000 Suzuki GSX-R 600

1 Answer

Rattle at 4000 constant reves


from what you describe it sounds like cam chain,use a long screwdriver ( or something like ) as a stethoscope and touch the engine with metal end, put the screwdriver handle to your ear and locate where the noise is coming from ( mind you dont get burned or anthing caught in moving parts )

Oct 09, 2009 | 1989 kawasaki ZXR 400

1 Answer

Engine Rattling


Try checking the heat shield on your exhaust system. You should have one over the manifold and one over your cat converter under the car.

Mar 25, 2009 | 1993 Oldsmobile Cutlass Ciera

2 Answers

1997 Accord overheats and rpm revs from 1000 to 2500 continuosly


If you have runaway reving, you probably have a clogged MAP sensor.

Feb 13, 2009 | 1997 Honda Accord

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