its about 130% power increase over stock, think its like having a banshee with 80HP

 

I have already reinforced the frame with gussets and I have gone over all the welds. Take a look at trenga's site under support. They tell you where the frame is weak and where to fix it.



<< more horses would cause a bit of damage to stock components >>



UNLIKELY. The blaster uses the DT's bottom end, except for a different tranny gear ratio, it is the same thing. The DT has an extremely strong tranny. It would probly handle 45-50 hp with ease. Plus, if you have a stock blaster, but need more speed, you can swap the blaster tranny for a dt's. The first 2 gears are basically the same, but the rest of the gears are higher. 6th gear for a blaster is 5th for a dt200r.

Plus, when I'm done with this, I'll be making more hp than a stock 400ex and banshee!! I am ordering my Power Pros pipe/silencer today so I will
be able to see where I can shove the radiator into the frame.

With all that added power you can run a higher gear. Something like a 14/35 wouldn't be a problem at all.

 

Gussetting the frame would be the bare minimum that I would do. I too have a blaster...But In my case...would not even consider spending the time or money to make it more powerful. Like I said...If you have the time and interest..then It is a great project.
I know that stock (as far as frame goes)...I have stress marks on almost every weld on the frame (and I only weigh 160-165)... I have broke the swingarm once already....and the second swing arm is already showing signs of being bent.
In my opinion, If you were to go the extra mile (which I'm sure you are) and get shocks, arms, swing....and more importantly, suspension...then you might be ok. I'm not talking about the bottom end of the engine...that might be OK...Or you might be in for a surprise...You will have to wait until the project is done to know the long term effects.
Like I said...I still think that the frame and motor mounts will be your weakest link. I have a garage full of motors, and have weighed the options a ton of times. I will be keeping track of this project...Just to see how it turns out.

 

I used thicker steel than trenga called for. Plus, like I said, I went over all the welds. I have only spent $400 on this so far (310 on the engine and electrical parts) and you can check out my site for pics of this stuff under the &quot;parts&quot; page. I am looking for a place to sandblast the frame, so I have some time to weld up some stuff. I am open to ideas on what needs reinforced on the frame. I too had to replace my swingarm, but that was because a tree ran out in front of me[img]i/expressions/face-icon-small-wink.gif[/img]. So far the only thing I NEED to fix is a stripped foot peg hole.

I need to find a radiator from a raptor/banshee/lt250r or something of that sort. I have a set of 250r trike radiators, but 1 is not enough and if I use both it makes it harder to find a place to mount them. The radiator is going in front of the bars like a banshee.

 

dirt817,
Went to your website. Learned something new today!! Yamaha needs to do update on blaster and use the liquid cooled motor as described on your website. Chet

 

oh yeah...how can people get away with having a trinity 295cc kit with a stock frame and not have any problems? A 240 kit makes roughly 31hp and people aren't having frame problems.

 

Like I said.....I'm not saying it will not work. I know I have mounted many different engines in a few different bikes/frames. I was just sharing my concerns. As the figures for all these mods start to add up.... I would be concerned that something will go wrong and I would lose my investment...that's all. As you know...It gets to a point where backing out of the project is not an answer. Once you commit yourself...well, you get the point.

Good luck to you guys. It is fun to try different things.

You should look into radiators like the ones on my drz400...they are small and pretty light.


If you were closer to me, I would be happy to sand blast your frame for you.

I took some time and went out to check out my blaster frame. Space is tight for sure. I am not sure how you are going to be able to mount a radiator to the bike.

 

If worst comes to worst I'll sandblast it myself. I've sandblasted a minibike frame before and it was no fun.

Could you give me the demensions of the drz400 radiator? They don't have to be perfect, I just need an idea.

check out macdizzy's site. it has an article about a blaster with a yz250 motor in it. They put the radiator in front of the engine, but they had to make a custom pipe. I don't have the money to do that.

Yamaha doesn't need to update the blaster. It is their &quot;entry-level&quot; quad. Making it liquid cooled would complicate things for the average beginner. They SHOULD offer a different version of the blaster, or maybe a factory option, like how you can sometimes get different motors when you buy a new car.

 

the owner of ctracing told me there porting and pipe package makes 25HP. there 240 kit makes 29HP(with tons more torque) and this new cylinder will make 40HP. think 11more HP then a 240 kit

 

I have seen this enging in person at Trange caring last weekend. It's awesome. It is air cooled, but it bolts right up, no mods needed. It's $900 and it's completely ported, polished and blueprinted. It comes ready to go. It is the most awesome looking setup I have ever seen for a blaster. Granted, water cooling would be nice, but this engine does not need it. If you would like to talk to someone who &quot;KNOWS&quot; about it, call Trenga @ (814) 231- 3884 and ask for Eric. Tell him the Sheetz guy told you to call.