Question about 2000 Yamaha YZF Thunder ace 1000 R

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Noisy engine slapping / knocking sound coming from alternator / starter chain.

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Hey m8y,, have u had the carbs balanced m8,, as she been serviced,, try the carb balance b4 any thing dude,, if the carbs dont open at the same time, or a ikl bit out of sync,, that will give a engine slappy knockin noise,,

Posted on Jan 01, 2009

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I have a 07 yamaha road star 1700 that has a slapping noise coming from engine when at steady rpms when letting off or accelarating it goes away


Hi, Anonymous I would love to help you with your engine or chassis noise but I just loaned my brand new pair of listening ears to your local dealer's chief technician so he could take your bike for a test ride and give you his professional opinion and estimate about your noise and repair cost. If you are a little short on "DRACHMA" and a Dealership is not on your list of fun places to visit then perhaps the list below will help soothe your worried mind so you can make an informed decision.
1. Bearings---SCREECH
2. Belts---HUM
3. Brake Rotors---BUZZ
4. Chains---RATTLE
5. Clutches---CHATTER
6. Shifting Trans---CLUNK
7. Front Forks---PLUNK
8. Rear Shocks---SQUEAK
9. Starters---CLICK
10. Solid Lifters---TICK
11. Hydraulic Lifters---TAP
12. Pistons---SLAP
13. Connecting Rods Go---KNOCK-KNOCK---who's there, it's me "*****"
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
Re Roadstar Engine Knock Road Star Forum Yamaha Road Star
Motorcycle Message Board Motorcycle USA
http://www.rswarriordocs.com/manuals/WarriorServiceManual-WO3646.pdf
OEM parts for Yamaha
http://www.starmotorcycles.com/assets/service/manuals/2006/LIT-11626-19-45_Road_Star_1266.pdf

Aug 17, 2014 | Yamaha Motorcycles

2 Answers

2009 superglide starter maybe?


whats your oil pressure at when warm ???

May 26, 2013 | Motorcycles

1 Answer

What will should i do if my mio sporty engine is noisy


Hi, Anonymous I would love to help you with your engine or chassis noise but I just loaned my brand new pair of listening ears to your local dealer's chief technician so he could take your bike for a test ride and give you his professional opinion and estimate about your noise and repair cost. If you are a little short on "DRACHMA" and a Dealership is not on your list of fun places to visit then perhaps the list below will help soothe your worried mind so you can make an informed decision.
1. Bearings---SCREECH
2. Belts---CHIRP
3. Brake Rotors---BUZZ
4. Chains---RATTLE
5. Clutches---CHATTER
6. Shifting Trans---CLUNK
7. Gears---WHINE
8. Front Forks---PLUNK
9. Rear Shocks---SQUEAK
10. Starters---CLICK
11. Solid Lifters---TICK
12. Hydraulic Lifters---TAP
13. Pistons---SLAP
14. Connecting Rods Go---KNOCK-KNOCK---who's there, it's me "*****"
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
How to diagnose problem by the noises your bike makes
mio 58 5 new bore tik tik tik sound
http://www.rasterline.com/MIO%20SERVICE%20MANUAL.pdf
OEM parts for Yamaha
YAMAHA JOGR JOGRR CS50 Owner Manual

Feb 25, 2013 | Yamaha Motorcycles

1 Answer

Noise motor alternator chain yzf thunderace


Hi, Anonymous I would love to help you with your engine or chassis noise but I just loaned my brand new pair of listening ears to your local dealer's chief technician so he could take your bike for a test ride and give you his professional opinion and estimate about your noise and repair cost. If you are a little short on "DRACHMA" and a Dealership is not on your list of fun places to visit then perhaps the list below will help soothe your worried mind so you can make an informed decision.
1. Bearings---SCREECH
2. Belts---CHIRP
3. Brake Rotors---BUZZ
4. Chains---RATTLE
5. Clutches---CHATTER
6. Cylinders---PING
7. Fronk Forks---Plunk
8. Gears---WHINE
9. Head Gasket---HISS
10. Hydraulic Lifters---TAP
11. Pistons---SLAP
12. Rear Shocks---SQUEAK
13. Shifting Trans---CLUNK
14. Solid Lifters---TICK
15. Starters---CLICK
16. Connecting Rods Go---KNOCK-KNOCK---who's there, it's me "*****"
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
YZF1000 Thunderace Cam Chain Rattle
Yamaha YZF 1000R Thunderace clutch sound dwik sprzga
Yamaha YZF1000RJ Service Manual
OEM parts for Yamaha
YAMAHA YZF1000R Owner Manual

Jan 27, 2013 | Yamaha YZF Thunder ace 1000 R Motorcycles

1 Answer

My 99 yamaha yzf r1 was making i knockin noise in the upper part of the engine i need to know how to trouble shoot it or the manual on the bike


Hi, Tom I would love to help you with your engine or chassis noise but I just loaned my brand new pair of listening ears to your local dealer's chief technician so he could take your bike for a test ride and give you his professional opinion and estimate about your noise and repair cost. If you are a little short on "DRACHMA" and a Dealership is not on your list of fun places to visit then perhaps the list below will help soothe your worried mind so you can make an informed decision.
1. Bearings---SCREECH
2. Belts---HUM
3. Brake Rotors---BUZZ
4. Chains---RATTLE
5. Clutches---CHATTER
6. Shifting Trans---CLUNK
7. Front Forks---PLUNK
8. Rear Shocks---SQUEAK
9. Starters---CLICK
10. Solid Lifters---TICK
11. Hydraulic Lifters---TAP
12. Pistons---SLAP
13. Connecting Rods Go---KNOCK-KNOCK---who's there, it's me "*****"
For more information about your issue and valuable "FREE" downloads that you need please click on the links below. Good luck and have nice a day.
98 R1 knocking sound engine
98 Yamaha R1 knocking sound UPDATE cam chain tensioner replaced and rattle...
1998 1999 Yamaha YZF R1 Service Manual R1 Moto Data Project
OEM parts for Yamaha
http://mybikemanuals.com/yamaha/yamaha-yz-owners-manuals

Aug 12, 2011 | 1999 Yamaha YZF-R1

1 Answer

My jeep has a knocking sound coming from the engine and makes the same clicking/knocking sound when I'm accelerating what could this problem be?


noisy lifters, or piston slap, i just had one where the piston went through the block, try on your next oil change putting a liter of tranny fluid in it with the oil, the better lubrication will settle a noisy rocker

Mar 23, 2011 | 1999 Jeep Grand Cherokee

1 Answer

Always makes knocking noise like piston slap dont affect performance low mpg


hi, it may be timming chain, or gudion bearings, things sound louder in engines. (is your drive chain slack as this is easy to ajust)

Sep 07, 2010 | 2005 Honda CBR 1000 RR Fireblade

1 Answer

I have a 2001 model honda 100cc motorcycle. My problem is that the engine is somehow noisy maybe because of 8~9 years running. What do I need to do to solve it, do I need engine overhauling?


The bad thing about the internet is that I can't actually hear the noise to identify what it may be. Is it gearbox noise or top end noise? If it is top end, a knocking noise would probably be piston slap. Valves needing adjusting can be noisy also. A worn cam chain can be noisy. It would be a good thing to just ride over to a dealer and let them listen to it in an effort to identify what service may be needed.. No cost in doing that. In all likelihood, the valves should be re-seated and a new set of piston rings installed along with running a hone through the cylinder. This means removing the cylinder head and cylinder.

Dec 28, 2009 | 2004 Honda CRF 100 F

3 Answers

During a cold start, I have a noisy rattle coming front the front of the engine on the low down side. This continues for about 10 seconds then quiets down. Any ideas? 1997 Nissan pu, 4 cylinder.


Sounds like a timing chain issue, eventually the tensioner builds enough pressure to quiet it. Also check all chain guides, they get damaged with chain noise like what you describe.

Sep 25, 2009 | 1997 Nissan Pickup

1 Answer

Timing chain songs like if it is touching the guides


No. It goes around your crankshaft. It's a major teardown. I redid a Honda Hurricane not to long a go and it has three chains in it. A timing chain, an oil pump chain, and one that runs off of the starter. All three were replaced, as the starter one was really loose. The engine has to come completely apart.

Jul 07, 2009 | 1985 Suzuki GSX 750 EF

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