Question about 2001 Cagiva Raptor 1000

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Balancing throttle cables - 2001 Cagiva Raptor 1000

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Hi, Widdingtonho sorry you can't find the first and best tool you ever bought for your Cagiva despair not for a mere $0 you can download another one. For more information about your issue and free downloads that you will need please visit the websites below. Good luck and have a nice day.
Cagiva Raptor 1000 NEW Throttle Cable Trasmissione gas accelerator
How to adjust your throttle cable
Free Cagiva Motorcycle Service Manuals for download

Posted on Jan 22, 2016

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Posted on Jan 02, 2017

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Hi have poor idle after 2 years of storage and stiff throttles, am removing carbs for clean, where are slow run jets

The stiff throttle is probably the grease dried in the cables.
Try this, take the throttle and brake assembly apart on the bars, get a tennis ball cut it in two. Pierce one in the centre and push it onto the throttle cable end. Fill will a tablespoon of oil and leave overnight with a rag around the other end of the outer cable where the inner cable exits. This will lube the cables.

The rough running is probably a result of dirt somewhere, either the carburettors, or the ignition system or it might even be muck in the fuel line coming form a rusted fuel tank. Check the fuel filter for dirt and replace if required. Check the points if its not electronic-ignition and clean with some paper between them.

The idle jet adjustment will be on the carb but it depends what carb as to exactly where it will be fitted. Take a look at this video on youtube. It's about a two stroke engine but where the carb is involved the mechanics will be the same or similar. If it's multi cylinder/multi carb then you will need to balance the jets to make it idle properly.


Apr 17, 2015 | Motorcycles

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I own a 1990 3cv it increases revs from idle to around 3000 once it has warmed up if I stop the motor for a bit then start it again the revs will do the same I have cleaned out the carbs and replaced

You mean the revs come up even if the throttle is left in idle?
If yes: it means your idle runs too lean AND the carbs aren't balanced ( one gives more air than another )
Unscrew all the idle mix screws 1/2 turn
To balance, remove 1 spark plug lead, check the rev falling.
Replace the lead and remove another one. Check the rev fall etc...
Regulate the carb opening so that all the cilinder disconnects give the same rev-drop.

Dec 20, 2014 | Bikemaster 1986-1990 Yamaha Fj1200...

1 Answer

When the throttle is closed it takes about 4 or 5 seconds before the engine slows to a tickover

One possibility is that there is an air leak in one of the gasket joints ofter the cabbie piston. If the engine was tuned without this leak being found. This will cause the Idle Jet to be adjusted incorrectly, the Main Jet to be adjusted incorrectly.

If the Air cleaner is dusty or blocked, this will create unnecessary vacuum in the manifold, this will increase the operating temp of the engine and an unburnt fuel build up in the combustion chambers.

If fuel injected, Check that the fuel pressure is correct, and that the bypass pressure valve is working.

Check all throttle cable connections for cleanliness, for correct adjustment, and clean and smooth movement. Check that the throttle return spring is not stretched and that it is attached and working.

If a multi carburetors fuel system, check that the carburetors are balanced. Check that any balance and cross piping is connected and clean of any build up.

Jan 13, 2014 | Motorcycles

1 Answer

2000 kat with 13k miles has high idle when engine is hot

check for air leaks. be sure to check the carb boots - those crack like crazy. Also check your throttle and return cables for proper operation. If the throttle does not "snap" back, lube the cables or better yet replace them with new ones. If all checks out ok then you have to check the throttle plate balance. You need a vacuum gauge such as this one . Turn the screw for each throttle plate until the pressure reads the same for eery cylinder.

Sep 17, 2009 | 2000 Suzuki GSX 600 F (Katana)

1 Answer

I have a crusader 350xl marine engine that will not idle in nuetral. When throttle is dropped below 700 rpm, the engine cuts off. How do I adjust carb/idle to higher rpm?

For one thing the faster you idle the worst it is for the outdrive. Without changing the throttle adjustments you can change the idle characteristics. If this is a carbureted engine you will need a vacuum gauge and a place to connect it on the engine. With the vacuum gauge connected turn the air mixture screws until the rpm rises to a peak and then starts to fall favoring lean. Balance both screws if there are more than one. You may have solved your problem already. If you want to idle higher than specs disconnect the throttle cable and set the throttle stop screw to open the carb more. Follow by adjusting the throttle cable to push the throttle closed so there is tension to return to base idle without slop.

Jun 08, 2009 | Boating

1 Answer

Honda 1300c backfire through carb at wide open throttle. I have open up the exhust and rejetted the carb . the bike will run fine up to mid throttle or 65 mph but if you accellerate hard or go to wide open...

Try balancing ans syncronising the carbs.
Turn the throttle screw on the LEFT carb one half turn inward. Now start the engine and get it warmed up. With the engine running, remove the RIGHT spark plug wire. Adjust the idle speed on the left carb to the point where the engine just can't quite stay running and dies. Now put the loose spark plug wire back into place.

Now turn the throttle screw on the RIGHT carb one half turn inward. Restart and rev the engine. Next, remove the LEFT spark plug wire. Adjust the idle speed on the right carb to the point where the engine just can't quite stay running and dies. Now put the loose spark plug wire back into place.

Turn the idle screw on each carb EXACTLY ONE QUARTER turn outward and restart the engine. The engine will be probably be idling very fast. Adjust both the idle screws equally from this point to get to the desired idle speed.

Remove the air filter and rubber fittings to allow you to see into the throat of both carbs. You may need a mirror to see inside. You need to be able to see the slides go up and down when you twist the throttle. Now turn the fitting where the cable goes into each carb such that there is just a bit of slack in the cable, 1/16" is plenty. Lock ONE of the cable adjusters down tight. All further adjustments will be made on the other carb.

With the motor turned off twist the throttle very slowly while looking at the slides. Both slides need to begin lifting at the exact same moment. If the slides don't raise at the exact same time then slowly twist the throttle until the locked adjuster slide just barely starts to move. Hold the throttle still and turn the adjuster on the other carb so that the slide on that carb just barely starts to move also. Now recheck the slide movement timing. Do this process until the slides on both carbs begin to raise at the EXACT same moment. Lock down the loose adjuster and re-check the slides.

Please rate this solution. Thanks!

Mar 30, 2009 | 2004 Honda VTX 1300

1 Answer

High idle

hello mate,, b4 i can give u any advice,, u need to get the carbs balanced and syncro,,if u dont have carb balancers then itl cost yuh bout 20 quid to get them done in a garage,, sounds to me as if that is the prob,,to give u irratic idles,,

Mar 24, 2009 | 1991 Yamaha FZR 1000

1 Answer


Hi and welcome to FixYa,

Two possible reasons:
  • faulty throttle cable. There should be a spring like feel when throttling/revving the bike. If none, then either the cable is broken or the lock has been dislodged from its hooking point between the carbs;
  • vacuum leak. Another indication of a vacuum leak is relatively high idling RPM even when the choke is in normal position. Vacuum leaks could be caused by a cracked rubber connector from the carbs to the intake port, a loose/crack vacuum line or missing carb balancer rubber cap/cross-over.
Good luck and thank you for using FixYa.

Feb 22, 2009 | 1998 Suzuki GSX-R 750 W

1 Answer

998 Cylinder Balancing

that when opening the throttle the front butterfly seems to open fully but the rear butterfly stop short by a few degrees. In other words, front and rear butterflies do not open exactly the same amount. The bike has done 9k miles and apart from maintenance and valve checks, have never bveen worked on. It is in pristine condition, runs great and pulls strong well beyond the 10k redline. I have not had 4V desmo's before and therefore cannot compare power wise, but she feels rather quick to me. For what its worth, it has the 50mm Termi half system and matching ECU. Is this normal and just a result of the factory balancing exercise?,The length of the throttle linkage rod is set in the factory on a test bench. It is a brave person that messes with that linkage rod. What is more accurate is to do a cylinder balance using carb sticks to check if cylinders are balanced on idle. If they are out by one or two degrees at full throttle the difference is minmal and not something that an average street rider should worry about. (When is the last tiem you were banging off the limiter for extended periods of time?) At the same time check your throttle stop set screws to see if they are in the correct place. If the cylinders are balanced at idle I would not worry about it.,,,

Nov 10, 2008 | 2003 Ducati 998

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