Question about 2008 Ducati 848

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High speed compression is almost non-existant on 848 stock rear shock . By changing valve and stack for better oil flow can we exxpect better performance or is this an issue with the set-up i.e. pivot arm etc

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No its not the stacks are set to different ridding styles make sure you set the saag when instaling it

Posted on Aug 30, 2009


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2002 altima p0011

Here is the definition for code 11.

P0011 NISSAN Description
Problem with the intake valve timing control solenoid valve.
This mechanism hydraulically controls cam phases continuously with the fixed operating angle of the intake valve.

The ECM receives signals such as crankshaft position, camshaft position, engine speed, and engine coolant temperature. Then, the ECM sends ON/OFF pulse duty signals to the intake valve timing control solenoid valve depending on driving status. This makes it possible to control the shut/open timing of the intake valve to increase engine torque in low/mid speed range and output in high-speed range.

The intake valve timing control solenoid valve changes the oil amount and direction of flow through intake valve timing control unit or stops oil flow. The longer pulse width advances valve angle. The shorter pulse width retards valve angle. When ON and OFF pulse widths become equal, the solenoid valve stops oil pressure flow to fix the intake valve angle at the control position.
Could be a problem with the control valve, oil flow to the valve, or one of the cam or crank sensors.

Read more:

Sep 14, 2012 | 2002 Nissan Altima

1 Answer

Replacing the shocks & struts

If your not very mechanically inclined , Its best & safe for you & others not to try to change out struts. But if you are inclined, then this is what you need to do the job. Struts are shock absorbers that are inside of a highly compressed spring. You will need spring compressors that you can buy or rent at your local auto parts stores. You need to compress the spring before removing the center shock. If you do not compress the spring sufficiently the shock can come out at a high rate of speed causing injury to you & others. You will need to compress the spring from both sides, ( opposite from each other ) if you install a spring compressor on one side just put the other tool right across from it on the same spring. compressing the spring evenly on both sides. Not all at one time just on one side of the spring. After doing so remove the top & bottom nuts of the shock. Your rented or bought spring compressor should come with directions & illastrations to better assist you with the job. Good Luck.

May 08, 2010 | 2002 Honda Accord

1 Answer

Yz125 rear shock amount of oil on

The volume is less than about 1/2 quart - it's usually not measured going in since you fill the shock completely - there's no need to measure. Some guys assemble the entire shock, then fill with oil and cycle the shaft, then install the bladder cap last. My method is to install the shaft and seal head and the bladder, then put about 2 PSI in the bladder, then bleed through the compression cap. My method is a bit more complicated to explain, but it's effective at eliminating ALL the air from the oil and it keeps the bladder from being installed in a collapsed state.

As far as the nitrogen charge - 145PSI is stock. 130-160PSI is typical.

Apr 30, 2010 | 2004 Yamaha YZ 125

1 Answer


Engine: Four-stroke single cylinder with DOHC, four valves
Displacement: 249cc
Bore x stroke: 77.0 x 53.6
Cooling: Liquid
Carburetion: Keihin FCR37 with hot start circuit
Ignition: Digital AC-CDI
Transmission: Five-speed with wet multi-disc manual clutch
Frame: Perimeter style, high-tensile steel with D-section upper frame rails
Suspension type, front: 48mm inverted, cartridge-type telescopic fork
Suspension adjustments, front: 16-way compression and rebound damping
Suspension type, rear: UNI-TRAK single shock system
Suspension adjustments rear: 16-way compression and rebound damping, spring preload
Wheel travel, front: 11.8 in.
Wheel travel, rear: 12.2 in.
Tire, front: 80/100-21 51M
Tire, rear: 100/90-19 57M
Brakes, front / rear: Single semi-floating 250mm disc, dual-piston / single 240mm disc, single-piston
Compression Ration: 12.6:1 ***********************
Rake/Trail: 26.5 degress/110mm
Overall length: 85.4"
Overall width: 33"
Overall height: 50"
Ground clearance: 13.4"
Seat height: 37.4"
Dry weight: 204 pounds
Wheelbase: 58"
Fuel capacity: 2.0 gal.

Jul 09, 2009 | kawasaki Full Suspension Mountain Bike Men

2 Answers

I lost speed, now very slow to pick up

Geez, where to start...
Make sure tires are full, make sure rear bearings are good (does bike wiggle on acceleration from standstill? If so, replace rear bearings), check (and replace if necesary) both the variator and the clutch bell assembly, remove the foam air filter insert and clean it and DRY it and put it back, replace your (stock, vacuum driven) fuel pump with an electric one (READ HOW AND WHICH ONE ONLINE FIRST!!!!!), change the oil (10W-40), change the GEAR oil (GL5 or higher), gap your valves correctly (.004 inlet and .004 to .006 on the exhaust side), and finally rebuild the carb.
Srsly, any one or more of those can lower the fuel economy.
Trust me. I've done ALL of that to mine, except the variator and clutch which are ffine. I get around 58 MPG, as a daily driver in traffic.
Hope that helps. Best of luck! :-D

Apr 25, 2009 | 1972 Honda CB 250

1 Answer

1997 stock c/v carburetors. Getting gas in air cleaner

There's the issue. You're over-cammed and over/under over fueled, but under exhausted and under compressed. You've miss-matched the engine. In my experience, overcamming the stock piston and jug doesn't do a bit of good. You don't have enough compression to utize the additional air and fuel. You can try running a better pipe, but in my opinion, unless you bump her up to 8-1 compression, that cam set is hurting, not helping.

Apr 05, 2009 | 2006 Enfield Bullet Electra

1 Answer

I have a 98 cr250 and the rear shock feels blown who can rebuild

You have 17-position rebound-damping, and compression-damping adjustment separated into low-speed (13 positions) and high-speed (3.5 turns)

Please rate this a fixya

Feb 13, 2009 | 2003 Honda CR 250 R

1 Answer

What are the stock suspension settings for a 2003 Honda CR 250 R?

set your compression out 10 or 11 your rebound 9 or 10 and your fork oil height to roughtly 380cc.since its in 03 u should drain the fork oil out, u have to unscrew the top cap of the fork while its in the triple clamps( because its easier this way), loosen then take the fork out of the clamps, unscrew the top caps and pull the fork tube down and turn the fork upside down to drain the oil out then hang the forks up upside down for about 15 minutes then add the new oil right in the fork tube were you'll see a spring, just add the oil in there and you'll be fine and u should replace it with a good medium weight oil

Feb 04, 2009 | 2003 Honda CR 250 R

1 Answer


Before you upgrade parts like a rear sway, how many miles on the vehicle?
Have the shocks and struts ever been replaced?
What is the condition of the existing sway bar bushings?

If these parts haven't been replaced recently, I would start there. You can also upgrade these parts with better components then stock (like gas shocks, upgrade bushings etc).

Also air pressure in your tires. Just being a couple of pounds off can effect the handling of a vehicle, same goes for condition of the tires, and even what brand of tire you use.

Aug 02, 2008 | 2000 Dodge Grand Caravan

2 Answers

Stabler at high speeds

...the easy ways are...change the shock absorbers to hard with gas filled not oiled filled...change the tires to 185 x 60 x 15" change and lowering the spring...if you can then add front, sides spoilers and wing spoiler...

May 15, 2008 | 1983 Peugeot 504

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