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Post by MX588 on Jun 6, 2005 20:47:36 GMT -5
This week we are going to go over some things that 4 stroke riders need to check to keep their bike running smooth and reliable.
-Check your oil often, change it every 5 rides on a race thumper. Use high quality oil and not oil you can buy at kwik trip.
-Don't slip your clutch, and if you do you can plan on replacing your clutch components often.
-Clean your carb before the first ride, before races, and after your last ride of the year.
-Adjust your valves as your manual suggests.
-New topend once a year.
-Clean your air filter every ride, if dirt gets into the motor your asking for big funds to fix it.
-Most of the other stuff is the same as the 2 stroke stuff...so I didnt put all the little things.
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Post by TenEightySalomon on Jul 8, 2005 16:26:23 GMT -5
Very good but one thing.
Oil,change it MORE than every 5 rides, change it pretty much ever 6-10 riding hours.
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Post by MX588 on Jul 8, 2005 16:48:27 GMT -5
Yeah but if you think about it, your probably riding your bike MAYBE an average of an hour while you ride....unless you ride alot more than you sit. Because most of the time I dont put an actual hour on my bike each time...but sometimes.
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Post by TenEightySalomon on Jul 10, 2005 16:20:45 GMT -5
Average an hour?
When I make the 1.5 hour drive to the track you better believe I put in 6-8 RIDING hours in at the track.
Sometimes I get caught changing oil between riding just to make sure.
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Post by MX588 on Aug 2, 2005 15:01:02 GMT -5
You also have a Honda though and they tend to burn oil compared to a Yamaha which is known to have the most reliable motor out of the 5 major brands (yamaha, honda, suzuki, kawasaki, KTM) But I hear KTM has a real strong motor and it is very reliable...so we will have to see.
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Post by bottomfeeder on Aug 8, 2005 14:12:30 GMT -5
My DR is an old school four stroke. I change the oil twice a year (once in the fall and again in the middle of summer). I clean the filter every 2-3 rides. Never have cleaned the carb. Pulled the carb a few years back for some jetting and it was spotless ( I run a bottle of techron through the bike first and last tank of gas of the year). Adjusted valves once (every 8,000mi). Top end yearly replacement? I wish it would puke the piston so I could put a 350 kit in it.
10,000mi and 10 years old and runs better then the day I bought it.
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Post by MX588 on Aug 8, 2005 14:16:26 GMT -5
probably because you bought it brand new and they run like sh!t then...it takes a tank of gas before the rings are worn in
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Post by bottomfeeder on Aug 8, 2005 14:34:46 GMT -5
ok...it still runs as good as it did with it's first tank of gas run through it  The new four stoke motor-cross bikes are awesome no doubt. Huge torque, smooth power delivery, light, etc... But the one thing they share with their two-stoke cousins are high maintenace schedules, such as your orginal post documented. I wanted a four stroke to get away from rebuilding my top end once a year and constant oil changes. |
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