Question about 2003 KTM SX 125

2 Answers

Tyre pressures and oil grade.

Just bought a 2003 ktm 125sx. just like to know what engine oil i should use. ans what the rear tyre pressure should be set at. any hints or tips about keeping the bike in top condition would be appreciated as its my first bike cheer. tom also do you know if there is any kind of manual like a haynes for these bikes cheers.

Posted by on

2 Answers

  • Level 2:

    An expert who has achieved level 2 by getting 100 points

    MVP:

    An expert that got 5 achievements.

    Governor:

    An expert whose answer got voted for 20 times.

    Scholar:

    An expert who has written 20 answers of more than 400 characters.

  • Expert
  • 66 Answers

Gearbox oil-20w/40 0.73 qts. cooling system-1.26 qts. 50/50 mix 2-stroke oil-shell racing x/40 fuel grade-98 spark plug-ngk r 6918-b8 spark plug gap--.024" main jet-190 idle jet-48 needle position-3 pilot screw # of turns out-1.5 rear tire pressure-14 lbs front tire pressure-14 lbs keep air filter element well cleaned & oiled w/ air filter oil.there are service manuals available for this model.

Posted on Feb 18, 2009

  • Level 1:

    An expert who has achieved level 1.

    Mayor:

    An expert whose answer got voted for 2 times.

  • Contributor
  • 1 Answer

Hello , first of all i have always used putoline gear light in my 125sx , i ride most weekends and change it every 4 to 6 weeks and it has always been fine . my trye pressure at present is 15psi front and back this is a good starting point but try to find out what suits you and the tracks you ride on.
as to the other part of your Q i run my bike 33 -1 which is around 150mm of 2 stroke oil to 5 litres of fuel , also i use putolione mx5 oil which i beleive to be one of the best. hope some of this helps tom ........dave

Posted on Apr 02, 2009

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

I have a 2002 ktm 125sx how much oil does it hold


Thank you for contacting FixYa with your inquiry.
KTM recommends .7 Liters Motorex Top Speed 4T15W50 for the 125SX.
Let us know if we can be of further service.


Kind regards,
TF

Jun 20, 2011 | 2002 KTM SX 125

1 Answer

What tyre pressures should i run my 2002 ktm 125sx on.


A low of 11 psi, for muddy conditions only without rocks or big jumps. A high of 15 psi for very rocky or large jump landings. I run a constant 13 psi.

Mar 10, 2011 | KTM SX 125 Motorcycles

1 Answer

203 ktm 125sx do i mix oil with gas when i put gas in it?


yes you do,buy a good quality synthetic 2 stroke oil and then mix at between 32 to 1 to 40-1 fuel mix ( 40-1 is 40 litres petrol and 1 litre oil)

Aug 31, 2010 | KTM SX 125 Motorcycles

1 Answer

Can you tell me the tyre pressure on a fjr 1300 2005 also the amount of oil in the beveldrive and the amount of oil in the engine thanks


Front: 36psi
Rear: 42 psi
Beveldrive: 6.8 ounces
engine oil: 4.2 quarts (oil/filter change)


*Help me out. Rate me!

May 15, 2010 | 2005 Yamaha FJR 1300

1 Answer

Have a 08 250sxf and it uses oil when ridden. i dont know where the leak is cos it only happens when ridden and i end up with oil all over the chain rear tyre and engine. i noticed once oil coming out of...


Assuming that the bike is otherwise running good and has no compression issues, it sounds like you mak have a clogged crankcase vent. If this hose gets pinched or clogged with mud, the crankcase will build up pressure and start forcing oil out whatever spot it can. If this isn't the issue, you will need to get a compression or leak down test.

*Help me out. Rate me!

May 15, 2010 | 2008 KTM 250 SX-F

1 Answer

I want to know the tyre pressure front and rear daytona 1200


Yup nice question. For any vehicle accurate tyre pressure will give you better tyre life, low running cost, etc. Here is a chart for car tyres click here.
For bikes i havent found any chart. basically in india rear tyres having 100/90 18inch maximum tyre pressure is 32psi. front tyre having 2.75P or 80/90 18 inch uses 24 psi pressure. and do check your tyre pressure twice a month.

Dec 12, 2009 | 1995 Triumph Daytona 1200

1 Answer

Oil leak on gear shifter shaft


You will want to remove the cover then use a light plastic hammer and a small punch to remove the seal. It should come out very easy. Install the new seal evenly.

Please rate this answer. Thanks!

Apr 01, 2009 | 2003 KTM SX 125

2 Answers

Tyre Pressure


As always, correct pressure depends on the tyre fitted but if it is running with the standard tyres that it had fitted from new then:
Single rider: Front is 1.75 bar (25 PSI) Rear 2.0 (29 PSI)
Fully loaded (Panniers and or pillion passenger) Front 2.0 bar (29 PSI) Rear 2.25 bar (32 PSI)

These settings from the book for a 2006 model, though I imagine that they apply to all with very little if any variation

Jan 23, 2009 | 2003 Suzuki GZ 125 Marauder

1 Answer

Gasket


awesome bike that i bought yesterday after needing to slow down from my GSXR days. Well happy with it apart from oil p1ssing out of what i realised is the cylinder head base gasket. Got it home yesterday and after drying out from another glorious day's riding in the p1ssing rain and noticed my boot was covered in oil (on right boot - rear brake side just behind exhaust route). The question i need answering is will a quick fix of unbolting the cylinder head and putting some decent gasket sealent in the gap made by the missing piece of gasket fix it or is this area under massive pressures? I'm guessing its not subject to too much pressure cos the piston rings dont go down that far I assume? The oil is just spitting out a fine spray Just need to know whether i can get away with this as a temp fix rather than having to do a full top end strip down which i don't really want to be doing at this stage.replace the gasket before it gets worse and gets on to ur rear tyre,,

Nov 10, 2008 | 1995 KTM Duke

Not finding what you are looking for?
2003 KTM SX 125 Logo

781 people viewed this question

Ask a Question

Usually answered in minutes!

Top KTM Experts

kevmx2003

Level 2 Expert

86 Answers

yadayada
yadayada

Level 3 Expert

60769 Answers

Gino Cussen
Gino Cussen

Level 2 Expert

216 Answers

Are you a KTM Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...