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- Jun 21, 2000
- 1,198
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I finally had a chance to test my EG 133 kit, 39mm Keihin(off a KX500) and a v-force 02model. I’ve been swapping back and forth and gone mad to jet both carbs right on the money. I can say the EG 133 kit is by far the single mod that makes the most difference. I asked for a mid top powerband and I’m really happy I did because the larger displacement does improve low and mid anyway. First big surprise was the added low end and stronger mid. The overrev is as good as it was. It is hard to notice if the overrev is stronger because I already had mid-top porting and was happy with it. One thing is clear though. It does make power unlike a regular 125. You only need to do one lap to realize it must be a cheater bike.
Now swapping carbs and reed cages. I have been switching as a set: stock carb and reed against v-force and big carb. I have no choice because the manifolds are modified and cannot interchange anymore. The 39mm carb along with the v-force was quite amazing down low. It gave me such a hit in the low-mid. It definitely feels weird to ride a Honda CR with such power down low. I found though I might have lost some over rev with that setup compared to stock. The stock setup; carb and reed cage, was very good in the upper range while loosing a bit down low. It moved the sharp hit that was down low and brought it right in the mid range. With that setup, I can say the overrev is better than before the 133 kit. What I like most with this setup is the crazy wide powerband such as I’ve never seen anywhere. It still has a strong low end for a 125 but the mid is so strong that I have been going around the track never shifting below third gear. Even in hair pins, third is strong enough to pull with some clutch work. I hate to say this but I will still have to swap back and forth to make up my mind. I’m still wondering why the 39mm and v-force give me an advantage in low-mid. I was actually expecting the opposite. I have to say that my testing session was cut short on the 39mm when I dropped the needle clip in a mud puddle. How funny. Also the throttle cable was constantly unhooking from the slide because I don’t have the plastic retainer that was supposed to be there. Then I started saying things I shouldn’t say… I ordered all I need to get the 39 going and now I’m waiting. I will do some more testing on the 39mm as soon as I get the parts. My goal is to find the overrev. Then, it would be quite unbelievable. I’ll keep you posted
Overall, I found the cage and carb are good to add a little but they mainly switch around the powerband. The 133 kit creates massive power and was so much more than I expected. If you gotta do only one thing to a bike this is it, and it’s way enough.
Now swapping carbs and reed cages. I have been switching as a set: stock carb and reed against v-force and big carb. I have no choice because the manifolds are modified and cannot interchange anymore. The 39mm carb along with the v-force was quite amazing down low. It gave me such a hit in the low-mid. It definitely feels weird to ride a Honda CR with such power down low. I found though I might have lost some over rev with that setup compared to stock. The stock setup; carb and reed cage, was very good in the upper range while loosing a bit down low. It moved the sharp hit that was down low and brought it right in the mid range. With that setup, I can say the overrev is better than before the 133 kit. What I like most with this setup is the crazy wide powerband such as I’ve never seen anywhere. It still has a strong low end for a 125 but the mid is so strong that I have been going around the track never shifting below third gear. Even in hair pins, third is strong enough to pull with some clutch work. I hate to say this but I will still have to swap back and forth to make up my mind. I’m still wondering why the 39mm and v-force give me an advantage in low-mid. I was actually expecting the opposite. I have to say that my testing session was cut short on the 39mm when I dropped the needle clip in a mud puddle. How funny. Also the throttle cable was constantly unhooking from the slide because I don’t have the plastic retainer that was supposed to be there. Then I started saying things I shouldn’t say… I ordered all I need to get the 39 going and now I’m waiting. I will do some more testing on the 39mm as soon as I get the parts. My goal is to find the overrev. Then, it would be quite unbelievable. I’ll keep you posted
Overall, I found the cage and carb are good to add a little but they mainly switch around the powerband. The 133 kit creates massive power and was so much more than I expected. If you gotta do only one thing to a bike this is it, and it’s way enough.