KTM Forums: KTM Motorcycle Forum > KTM Bikes > Two Strokes > 1992 EXC 300 Questions???
I just recently acquired a 92' EXC 300 in really nice condition.
I do not have a manual for it and did not know if it is even possible to buy one? Or get information about it somewhere?
Some simple things that I do not know about are what the mix ratio is for this and what type of two stroke oil is recommended? Also what type/weight of gear oil and how much? What type of radiator fluid and is it 50/50 mix?
Is there a good place to buy used parts online? Can you even get used parts? Can you even get any new parts?
Any help with these questions would be greatly appreciated.
I am trying to get this up and running and this information along with any other suggestions would help.
Here is a (very) short video of the first voyage of the finished (complete) 1992 KTM 300EXC that I started with as a project not really knowing what the outcome would be.
Here is a short video of the first ride.
That's going to only be something on ebay.
Some simple things that I do not know about are what the mix ratio is for this and what type of two stroke oil is recommended?
I'd start at 32:1 with some non synthetic (Belray or).
Also what type/weight of gear oil and how much?
coming out of the fill level plug. Any regular "non energy conserving"
What type of radiator fluid and is it 50/50 mix?
With a bike that age, you will need to scour ebay.
See you at Papa Fernandez!
Thanks for the information bajadog, I appreciate it.
you when you have jetting or electrical gremlins (Hookuspookus).
As far as pre-mix, KTM back in the day recommended Dura-lube.
and water pumper. I run it 50:1 and always Have for about 25 years.
on the radiator without the cap. Be sure to take it out when you fill.
purchased bearings from my local industrial shop.
Thanks for the info, this gives me what I need to get started. The PO thought that he had a manual for it but was not able to find it. That would have been helpful to have since I know very little (except what I have learned from here so far) about this KTM. I had a 71' Penton Six Day 125 when I was a teenager in the early 80's and had alot of fun with it (riding and repairing it). Parts were hard to find for it and I did not have a manual for it either, but it was a one of a kind bike that was worth the extra effort.
I had another question(s). Is it necessary to flush the radiator before I put in new coolant and if so how? This EXC has been sitting in a garage for about five years and there is not any coolant in it right now. I was planning on filling with new 50/50 Prestone and draining old gear oil and filling with fresh oil (75W Bel-Ray Gearsaver) and mixing a fresh batch of high octane (93) gas 50:1 with Bel-Ray 2T Mineral Oil.
About draining the gear oil, do I drain that out of the fill level plug while slightly tipping the bike sideways?
Any other suggestions from you more experienced KTM riders would be greatly appreciated. I am in the process of trying to locate a manual so I can possibly answer some if not most of these questions for myself, but until then as always any input/info/help is greatly appreciated!
By the way here is a picture of my 92'EXC.
factory race bikes had them in '92, but not many production bikes.
I had been looking for a KTM for quite sometime and found this one.
I really want to do it right to get this back on its feet (tires) again, so the more helpful information I can gather about it the better.
It looks as though it has been well maintained and it does somehow remind me of that Penton Six Day 125 I had years ago that had KTM stickers on each side of the tank.
All my friends would razz me and say what is a KTM? I thought it was really cool to have a motorcycle that was different and and somewhat unkown at the time and then little by little I started seeing more about KTM's in the dirt bike magazines as they started to become more popular.
Fast forward about 35 years and I'm ready to ride!