1987 Honda CBR 750 Hurricane Logo

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Posted on Jun 12, 2009

Start bike and loud rattle from alternator area,not big ends or mains,believe it it to do with the primery chain,can the adjustment of tensioner be done without removing engine any advice would be welcomed bike is honda 750 hurricane 1987

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John Nunyabizzness

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  • Contributor 6 Answers
  • Posted on Sep 30, 2009
John Nunyabizzness
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Joined: Sep 30, 2009
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Best advice would be a manual from ebay all bikes ive worked on ive had the book for, so ive never had to pay a mechanic =)

4 Related Answers

ginocussen

Gino Cussen

  • 217 Answers
  • Posted on May 04, 2009

SOURCE: I have bought a 1987 cbr 750 hurricane. but the

I have a manual buts it in Japanese, at least you can see how things are laid out..hope this has helped

http://hurricane.isalive.nl/index.php?page=specials&sub=jap_manual

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Anonymous

  • 361 Answers
  • Posted on Apr 18, 2010

SOURCE: Hello, I have a 1985 cbx 550 f with loud cam chain

sorry to tell you this but it might be the head. This model ran a no bearing head for the cams and they wear out. If it is the chain you got lucky, there are after market quality chains and tensioners out there

Anonymous

  • 1 Answer
  • Posted on Oct 08, 2010

SOURCE: cbx 750 starter chain rattles,i think there is 1

just stripped my engine down. the chain tentioner had cracked off and the chain had cracked too.so dont let it go for to long before you fix it.

sisadsl

gavin jones

  • 1508 Answers
  • Posted on Mar 16, 2011

SOURCE: Hi. Suzuki rf600r 1993.

a 93 model is likely to need a chain and tensioner, if you undo the tensioner mounting bolts it should spring out 10-15mm

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0helpful
1answer

Bike chain

With a chain splitter! It's a good idea to change the front and rear sprockets too so buy the lot when you're buying the chain. Loosen the tension on the chain tensioners on the rear wheel. Split the links. Remove chain. Remove and replace sprockets. Replace chain and be sure to use a chain riveter to sort out the joint. Don't be tempted to use a split link as your bike is too big and powerful for one. Adjust your chain tension checking for tight spots etc. Apply lube and enjoy!
0helpful
1answer

Cam chain rattle when engine is idling

This bike is well known for cam chain rattle, but it has an automatic tensioner so there are no adjustments. If the bike runs well just ride it. I have a friend that had his cam chain, tensioner and guides, and in less than a couple years it was making the same sounds. If the bike run rough then it is a possibility the chain has stretched and unless you are confident with timing issues take it to a pro.
0helpful
1answer

2003 ford explorer with a loud metal rattling noise sometimes it will vibrate too

Could be cam chain rattle. Famous for sloppy chains and inferior tensioners. Starts about 100k and downhill from there. Could try an engine flush as tensioners may be sludged. I have a 4.0L with a rattle at start up but stops after 5 seconds. Chain is shot.
0helpful
1answer

How do i adjust timing chain on 1985 kawasaki ninja 900 gpz

Hi the cam chain is automaticaly adjusted on your bike, when the chain rattles it needs replacing or tensioner inspection
1helpful
1answer

I own a 2004 BMW R1200CL. Almost every time I crank the engine I can hear the valves rattle. I have checked and adjusted the valve clearances to spec. The rattle goes away after the engine starts, but...

Yep, most of these bikes do rattle on startup. The noise is from cam chain slack. A hydraulic tensioner is used in the engine on each side as there are two cam chains. The tensioner leaks down after the engine sits for a while and the chain rattles for a few seconds till the tensioner gets pumped back full of oil again. Once the chain is tight again, then no noise.

BMW came out with an improved tensioner (doesn't leak down as quickly) that you can install on your engine to fix the rattle. Note that it is much easier to change the RHS tensioner than the LHS one.

Good Luck!
2helpful
1answer

I have a 2005 c50 suzuki it has a lot of valve or timing chain no

When correctly set, the valves can be quite loud on startup on these bikes, sometimes described as the "angry sewing machine". I would prefer that they be to the "loud" side than too quiet, as a tight exhaust valve can cause it to be burned from prolonged contact with the seat. The tensioners have been subject to fail- not universally, but it does happen- and that will be more of a knock from the side case that a rattle. The tensioners are self-adjusting until worn out.
1helpful
2answers

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.
0helpful
1answer

The motor has a rattle when first cranked...after 10 minutes its not as loud...above 1500 rpms you cannot hear it... bike has 33,000 miles on it and is completely stock from factory... is it time for a...

I've got a 1995 cbr600 and it had the samr problem- it's a well known fault with hondas- it's probably the cam chain tensioner. It works off oil pressure so sounds like a tin full of marbles until the bike warms up. The best solution, if you can't live with the noise is a manual cam chain tensioner. APE make them and it stopped the noise on my bike as soon as it was fitted. I'm not sure if you can get one for your bike but a little googleing should tell you.
1helpful
2answers

Engine rattle when bike is under load

This sounds like a classic case of pre-ignition, aka detonation and engine knock. Change to premium gas and put in a set of spark plugs that are one heat range colder than stock. It is good that you are handling this before the engine destroys itself. Yes, destroys itself. That is what pre-ignition will do. Hot carbon deposits ignite the fuel before the spark plug does. This is hard on the rod, main bearings and piston. Beat on the top of a piston with a hammer. That is what your piston will quickly look like with pre-ignition.

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