KTM05

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  • in reply to: Engine Ice #199241

    KTM05
    Member

    Hi All – An interesting discussion. I have been riding the KTM 300 models for over 12 years now and never had a boiling problem. Used to enduro race them at the national and international level as well. They do boil occasionally but never a “ride stopping” problem. Others that I ride with boil their bikes regularly but then there always seems to be a reason why…..
    The usual setups that cause boiling are (not in any order of relevance)
    – Restrictive radiator protector
    – Too lean jetting (usually pilot & needle)
    – New motor still running in (tighter tolerances cause more heat)
    – Low grade coolant (the better quality coolants will raise the boiling point)
    – Over filling (coolant should be just above the internal core when cool)

    I recently went over to Africa to support 15 international riders entered in the World Extreme Enduro championships. They were all on Husaberg & KTM 300’s. This race is run over 3 days in very extreme conditions and none of the entrants had to withdraw due to overheating (Some bodies overheated though). The setups we did were – A steel radiator brace (adds no restriction to the airflow), a steel pipe guard (to allow good airflow past the pipe and engine), main & needle jet changes for the conditions, factory coolant and added a KTM thermostatic fan. No problems.

    Hope that helps :) :dry:

    in reply to: Off Road Tours for Overseas Riders #194819

    KTM05
    Member

    Thanks KatGirl
    Its always good to go with recomendations from fellow riders.
    I have also passed on Cape York Motorcycle Tours for him to consider
    – but may be a bit far to travel considering he will be based in Melbourne for his trip to Australia…..
    :) ;)

    in reply to: Off Road Tours for Overseas Riders #194817

    KTM05
    Member

    Thanks, LC4skin
    I have passed this info on ……

    in reply to: 2010 Africa Trail Ride Adventure is ON !!! #193301

    KTM05
    Member

    Hi TB, there will be a story – but timeframe unknown. In the meantime here is another shot of KTM_Rules enjoying himself on Day 1 of RoA.

    [attachment=2171]phpNh6iEf[/attachment]
    CD_day_1s.jpg
    in reply to: 2010 Africa Trail Ride Adventure is ON !!! #181490

    KTM05
    Member

    Hi Mal5.1

    KTM_Rules rode a Husaberg 300 for the Alfie Cox Ride as well as the Roof of Africa event. We managed to order an early delivery of his ACR hire bike so that he could get used to it for the RoA event.

    He won the RtH section on day one of the RoA – a great ride. We had 4 Aussies competing there this year and all had a good ride. The event definitely lives up to its name as an EXTREME enduro. The rest of us were spectators and support, and had a great experience B)

    [img]http://www.obtrailriders.com/media/kunena/attachments/legacy/images/BILD0915s.JPG[/img]
    in reply to: 2010 Africa Trail Ride Adventure is ON !!! #181488

    KTM05
    Member

    An update on the 2010 Alfie Cox Trail Ride Adventure trips ……..

    Both November & December dates are now fully booked. So we can’t take any more bookings for those dates but anyone interested in going at a different time then just drop us a PM or call (0415 894 865), and we will try and fit another ride in.

    We have also had some enquiries about planning a trip in 2011, so if you are perhaps interested then just register your interest with us and we will keep you informed as things develop.

    The recent positive coverage that South Africa has had during the World Cup Soccer, has resulted in a large increase in enquiries for the Alfie Cox Ride, from all over the world. As a result, we need to plan and book a ride date, as far ahead as possible.

    …..:)…..:)…..:)…..

    in reply to: 1997 ktm300 exc #182832

    KTM05
    Member

    Hi Paulo

    First thing to do is double check the model year. As you know with dirtbikes, model years can spread over 2 calendar years. So it is possible that a bike purchased as new in 1997, could in fact be a 1998 model. Check the engine number … I think the 1997 models all started with a “7”.

    The 300 model series underwent quite a lot of change from 1997 to 1998.

    Next get yourself a KTM repair manual and Spare parts books. The pipe should still be readily available – even if only in an aftermarket version (FMF etc). But first look up the part number and find out if it has been superseded or not.

    If you can bring that bike up to spec, you should have a great ride. The 300’s were extremely competitive in those days, on the enduro scene …. and with a couple of shim changes made a great trail ride bike as well.

    Good luck and enjoy the bike :)

    in reply to: Aussies go Riding in Africa with Alfie Cox #178716

    KTM05
    Member

    Thanks for the kind comments – much appreciated
    Just another quick note …… We are doing the ride again later this year. For details see the posting under “Ride Gatherings”
    http://www.obtrailriders.com/index.php?option=com_kunena&Itemid=56&func=view&catid=14&id=82566
    I hope some of you can join us.—ACTRA@bigpond.com

    [attachment=2397]AlfieCoxLogo1small.jpg[/attachment]
    in reply to: Aussies go Riding in Africa with Alfie Cox #176607

    KTM05
    Member

    Day8 (continued 3)

    Back at Cato Ridge we convinced Alfie to let us take out his 1998 Paris Dakar KTM 700 Adventurer, for a blast down the dirt road – awesome!.


    [attachment=1750]DSCN3246small.JPG[/attachment]

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    This was the bike that Alfie finished the Dakar in 2nd place on. An amazing factory spec machine, having started out as a KTM 640, this huge engineering excellence was surprisingly easy to ride. The power delivery was brilliant with 5th gear power drifts resulting in much adrenalin.

    [attachment=1751]DSCN3259small.JPG[/attachment]

    Another night of beer and seafood celebrated the best adventure ride ever!!

    Day9
    Well the riding was over but we still had another week to saviour the African culture. We spent the next seven days traveling down the east coast to Cape Town enjoying the amazing scenery. Highlights included the world renowned Jeffrey’s Bay surf, playing with lion cubs, interacting with elephants and their calves, whale watching, sand tobogganing, quad racing, Cape Point coastline, Table Mountain and the nightlife of Cape Town’s waterfront. And so we head home after an experience that more than exceeded our expectations, loaded with memories, hundreds of photos and hours of video coverage – never to be forgotten.

    [attachment=1752]IMG_0724small.JPG[/attachment]

    …. Well that’s all guys, hope you enjoyed the yarn …. now its time to plan the next one !!!

    in reply to: Aussies go Riding in Africa with Alfie Cox #176606

    KTM05
    Member

    Day8 (….continued 2)

    [attachment=3904]PDVD_017.JPG[/attachment]

    Now it was serious race time. Alfie sent us up a trail that led to the top, saying that he would start from the back and race us all to the top. And that he did, picking us off one by one until he regained pole position only metres from the top. Local knowledge rules, well that’s our excuse anyway!

    Almost the end of the day but still a couple more adrenalin sections.

    [attachment=1746]DSCN3241small.JPG[/attachment]

    Then a quick briefing to jump over a boggy creek with part of a car body protruding from the mud. “You need to bounce your rear wheel off the chassis part to get across this one” was Alfies instruction and then off he went. What the …..! With the video running and carnage expected, we all gave it a go, with 100% success. Then the race for home was on. Boys will be boys.

    [attachment=1747]PDVD_022.JPG[/attachment]

    More to follow ….

    in reply to: Aussies go Riding in Africa with Alfie Cox #176605

    KTM05
    Member

    Day8 (….continued)

    [attachment=1742]PDVD_016-20100510-4.JPG[/attachment]

    One hillclimb started at the valley floor and finished at the ridge top following a deep rut through thorn bushes all the way to the top, with a couple of switchbacks thrown in. Those in the group with short leg syndrome dominated this section. No casualties, although a strong smell of boiling coolant was present at the top.

    [attachment=1743]DSCN3236small-20100510.JPG[/attachment]

    A short break to take in the views and then down the other side, and down and down, into another series of single trails in the valley.

    [attachment=1744]DSCN3230small-20100510.JPG[/attachment]

    Later on we rode through an open cut sand quarry and no sooner had we arrived than the excavator operator started building a circuit for us to play on …!!!! We love Africa!! … where else in the world would that happen?

    More to follow ….

    in reply to: Aussies go Riding in Africa with Alfie Cox #176604

    KTM05
    Member

    Day8

    [attachment=3905]DSCN3237small.JPG[/attachment]

    The “Valley of a 1000 Hills” area backs onto Alfie’s farm at Cato Ridge, and as the name suggests, it is not flat! In fact, I think we probably rode up and down the majority of those 1000 hills.

    [attachment=1703]PDVD_012.JPG[/attachment]

    The day didn’t start well for Charlie as his alternate line through the first creek got him well and truly bogged. This was after Alfie having just briefed us to follow his line, and so as a result a barrage of “advice” was forthcoming from our leader.

    [attachment=1704]DSCN3229small.JPG[/attachment]

    The single trails wound up and down the ranges, passing through many Zulu villages.

    More to follow ….

    in reply to: Aussies go Riding in Africa with Alfie Cox #176603

    KTM05
    Member

    Day7 (…continued)
    A fast sixth gear section had the adrenalin pumping again, as those with apparently jammed throttles passed the others like they were standing still.

    [attachment=3906]PDVD_002.JPG[/attachment]

    On the way back to lunch we did a few laps on a private motocross track. Nev did his utmost to try and pass Alfie over the huge doubles …. Mad!!!

    The afternoon ride brought our 3rd flat tyre as Brett hit a low stump in the forest. A quick repair and we were off again. The racing quickly resumed with lines being challenged and blocking moves across the trail.

    [attachment=1685]PDVD_007.JPG[/attachment]

    The fun had to end as Neville threw his KTM to the ground, to avoid t-boneing Brett, while Pete headed for the bush.

    [attachment=1686]PDVD_009.JPG[/attachment]

    Luckily no injuries but the pace did slow for a minute or two. Some more great trails finished off the day.

    [attachment=1688]PDVD_010-20100505.JPG[/attachment]

    And now only one day left …. In the “Valley of a 1000 Hills”!

    in reply to: 2 stroke expansion chamber mods #177628

    KTM05
    Member

    Hi Quiting

    I did exactly what you are proposing to my KDX200 that I was racing in the early 90’s. You should notice a huge increase in responsiveness and power at the top, with a little loss of “lugging” power at the bottom. I needed to go 2 or 3 sizes up on the main jet and adjusted the needle after the mod, as it was breathing so much better.

    Heres how I did it …
    Inspect the external of the expansion chamber, looking for the little round spot welds (about 5-8mm dia.) This will give you an idea of where the internal skin is located. Choose a point were the expansion chamber has the largest diameter and scribe a straight line around the circumference. Also scribe a few lines crossways to allow you to position the two halves correctly when you are ready to weld it all up again.

    Cut the pipe in half along the scribed line – hacksaw, jigsaw or other tool that will give you the narrowest cut. Then drill out all the spot weld marks using a small drill bit and then increasing the drill size until the spot welds are broken to allow the inner skin to be removed.

    Scrape out any excess carbon build ups that are visible inside the two halves. Position the two halves together on the scribe marks and weld together ….. and weld up the spot weld holes.

    Now you will have a pipe that will perform as it was intended before ADR restrictions were added. Now for the real important part – jetting. Do not try and ride the bike without increasing the jetting …. if you do the bike will be running extremely lean and will destroy the motor. It is better to run the bike too rich initially and then lean it up in small increments at a time. Or a full dyno tune if you have access to one.

    Remember the bike is already quite old so take care …….. enjoy the “new” ride.

    Hope that helps …. :cheer:

    in reply to: Aussies go Riding in Africa with Alfie Cox #176602

    KTM05
    Member

    Day7

    A quick trip down to one of Alfie’s KTM shops to pick up Brett’s bike which had been given an overnight tune up. (Two stroke riders can’t ride four strokes properly).

    [attachment=3907]DSCN3278small.JPG[/attachment]

    A short drive north and we were soon in trail racing mode once again. Today was mostly a forestry ride with the pine needles and exposed tree roots providing interesting moments.

    [attachment=1669]DSCN3202small.JPG[/attachment]

    We approached the hill aptly named “Widowmaker” with much reservation. This was a steep downhill that bottomed out into a vee gully, then a long shaley climb to the top. Alfie blasted up, followed by Nev and Brett who both made a clean run to the top. Ross however popped out of the gully off line, clipped the tree roots coming to an abrupt stop. Charlie followed Ross’s line, to his peril, while the others reached the summit with various degrees of dignity. Pete’s run was self-proclaimed to be “close enough” as he highsided one metre from the top.

    [attachment=1670]AFRICA_BIKE_118small.JPG[/attachment]

    Numerous hill climb challenges followed, with escape routes available for those that couldn’t make it.

    [attachment=1671]DSCN3210small.JPG[/attachment][attachment=1674]DSCN3211small-20100430.JPG[/attachment][attachment=1673]DSCN3212small.JPG[/attachment]

    More to follow ….

Viewing 15 posts - 1 through 15 (of 27 total)