Blaster bogs, backfires, idles low
I bought two blasters for $500. Decent little machines. I got them both running with fairly little effort. One runs great the other I am having issues with. The woodrift key was sheared and I replaced it.
I have cleaned out gas tank, changed my reeds, rebuilt the carb, checked for spark, and replaced spark plug. Drove down the road and it would not maintain speed. Bog down and sputter, run good, and again bog down. Constantly going in and out. Pulled plug and it was wet but I don’t think it was because it was running rich, I think it is just so boggy that it caused it not to burn fuel correctly. Runs decent when all out throttle but bogs and backfires when just trying to maintain a steady speed.
I was running stock with this issue but have put on new parts and still have issue. I now have put on new plug, KNN filter, vitos tors eliminator, full FMF pipe, switched to a 280 jet and still having the same issues stated above. It idles super low and cant tweak the carb to idle any better, when giving steady throttle in neutral or under load and it will sputter and backfire mid-range. All out throttle runs decent. Tweaked on carbs a lot and still is not any better.
I am getting frustrated but wondering what you guys think. I would do a chop test but afraid to run it with the backfiring occurring. I am going to do a leak down test as soon as I get a tester built but wondering what everyone thinks. I am leaning towards a spark issue, possibly a bad coil or wire. The stator sends a strong spark. Also do you think I need to adjust the timing or is stock timing usually okay.
APPRECIATE any and all help. Thanks!
I bought two blasters for $500. Decent little machines. I got them both running with fairly little effort. One runs great the other I am having issues with. The woodrift key was sheared and I replaced it.
I have cleaned out gas tank, changed my reeds, rebuilt the carb, checked for spark, and replaced spark plug. Drove down the road and it would not maintain speed. Bog down and sputter, run good, and again bog down. Constantly going in and out. Pulled plug and it was wet but I don’t think it was because it was running rich, I think it is just so boggy that it caused it not to burn fuel correctly. Runs decent when all out throttle but bogs and backfires when just trying to maintain a steady speed.
I was running stock with this issue but have put on new parts and still have issue. I now have put on new plug, KNN filter, vitos tors eliminator, full FMF pipe, switched to a 280 jet and still having the same issues stated above. It idles super low and cant tweak the carb to idle any better, when giving steady throttle in neutral or under load and it will sputter and backfire mid-range. All out throttle runs decent. Tweaked on carbs a lot and still is not any better.
I am getting frustrated but wondering what you guys think. I would do a chop test but afraid to run it with the backfiring occurring. I am going to do a leak down test as soon as I get a tester built but wondering what everyone thinks. I am leaning towards a spark issue, possibly a bad coil or wire. The stator sends a strong spark. Also do you think I need to adjust the timing or is stock timing usually okay.
APPRECIATE any and all help. Thanks!
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