SP Tadao Motorcycle Motorcycle Parts Reviews

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SP Tadao

24 May 2022

Powerbox Pipe (Inner Box Type)

Fits: HONDA REBEL250

Japanese Webike user

4/5

Power is awesome! And Smooth up to 6th gear is amazing!!!

I felt that the new Inner type was a good fit for my riding style.
In addition, the larger exhaust pipe increases the volume of the engine room, giving it a high-end feel.

However, as a precaution, it competes with the lower type exhaust pipe.
I could not put it on without removing the DAYTONACrash Bar that I just recently put on.
Not only DAYTONA, but anything that is attached to the bottom of the Engine is likely to interfere.
So I went back to Engine slider.

However, the driving is to my liking, and it pulls hard from low speed to 5th gear.
And on the highway, you can see that it is revving for good fuel economy.

When I took delivery of my REBEL250, I had the dealer change to SP Tadao's Exhaust pipe (Box external type), and I felt that the change from 1st to 2nd gear with Torque fully was smoother than when I was riding NORMAL with Len Barrel. On the other hand, I had changed the Exhaust System from OEM to SP Tadao, and I had to change the GEAR to 2nd gear as soon as possible because the 1st gear is not so easy to use Image, and it does not increase from 15km/h. I had to change the GEAR to 2nd gear as soon as possible because it does not increase from 15km/h.

With the inner type we purchased this time, the engine displacement volume has been changed to a large volume, and the change from 1st to 4th gear is smoother and more powerful. I feel that I am able to cope with the relatively low GEAR, and I feel that I do not feel the powerlessness of 250cc anymore.

When the car was delivered, only the exhaust pipe was SP Tadao and the silencer was OEM.
At this point I thought the toco sound was better and the low speed was more stable.
I had been driving a NORMAL car at Len Barrel a lot before delivery and was impressed with the change.

Next, Silencer was also changed to SP Tadao.
The sound is quieter, but even more pleasant, and then I feel more stable at high speeds.

And now Inner type Exhaust pipe and SP Tadao's Silencer.

The first thing I felt when I had the changes made during the test drive was that the sound during Idling became unstable. I was kind of worried that it might stall if left alone, and I thought this would not be a good result. However, there was also a toot-toot feeling that was not there with the old Type Exhaust pipe, and I thought I liked this.

When I actually started driving, I found that the low gear I had been dissatisfied with was gone, and I thought it was very powerful. I want to pull about 20 km/h in low gear, but with the old type, I had given up after about 15 km/h. With the inner type, however, I can pull. But with the Inner type, it is possible to pull it. And while increasing the speed, it is possible to drive smoothly even at about 50Km/h in 4th gear. I was a little concerned about the vibration of the engine at low speeds, but at about 60Km/h in 5th gear, the car was running very smoothly, and I was pleasantly surprised at how much room I had left.

My personal impression is that the old type is suitable for those who do not drive so fast in daily use and use 3rd to 4th gears as main, while the inner type is good for those who frequently go on tours and use highways.

I would recommend the Inner type for those who want to run with low speed GEAR while pulling. View detail

POWERBOX Stainless Steel Full Exhaust System

SP Tadao

29 Apr 2022

POWERBOX FULL RS Full Exhaust

Fits: YAMAHA MT-09 SP, YAMAHA XSR900, YAMAHA MT-09, YAMAHA TRACER9GT, YAMAHA TRACER9GT+

Japanese Webike user

5/5

Black, light and quiet.

I was not particularly dissatisfied with the OEM Exhaust System, but I happened to find the Exhaust System development blog, and I was browsing it with interest, as the parts that tended to be a little jerky were connected pleasantly. I was browsing the Exhaust System development blog with great interest.
I was told that delivery would be around July, so I waited patiently and was impatient when it arrived right away, but I had time to install it right away.

The Instruction Manual for installation instructed us to remove the lower bracket of the Radiator, but I think it would be easier to remove the upper bracket as well.
*Work is easier to reach and work from the Left Side, mainly with respect to the direction of travel.

BoltQuantity under the belly after removing the Bolt of the Exhaust pipe.:The OEMExhaust System comes off with 2pcs, but if you don't have a Jack or foot under it to support it, it will bottle up and fall off.

If you follow the instruction manual, there is no problem in particular, but if you fix the Exhaust SystemBody first, you will have a hard time connecting each exhaust pipe and the assembly part, so you should put some dustcloth on the wood or jack to prevent the wound from sticking. I think that it might have been better to put dustcloth on the wood or jack so that it can be moved back and forth with the Exhaust SystemBody supported, and then insert it into the exhaust pipe, while looking at the Exhaust System that was damaged by hitting various places while supporting it with my foot. I am thinking about it while looking at the Exhaust System that was damaged by hitting various places while supporting it with my foot.

I have only done some light driving around the neighborhood, but it was easy to ride with Torque coming out from low rpm.
However, the characteristics of the OEM exhaust system have not been changed from the OEM exhaust system to a larger system, and the volume is not bothersome, so even if you ride a long distance, you will not get tired of the sound. I don't think I will get tired of the sound even if I ride long distances.

Exhaust systems for the New Model MT-09 have been available from overseas, but we think this would be a very good option for those who are concerned about the design, which would lose the sense of compactness that had been settled under the belly, and the non-approved parts. View detail

SP Tadao

23 Feb 2022

power box exhaust pipe 2

Fits: YAMAHA WR250X, YAMAHA WR250R

Japanese Webike user

4/5

Torque will increase.

The silencer was a GruidRide Thailand coon, and the intake diaphragm was removed for full power, and the adjustable fuel conditioner was set to +4.
When I changed from the normal exhaust pipe, the torque increased and the sound became a little quieter. However, you may feel some heat in the right leg due to the expansion chamber sticking out.
You can tell when you are riding in it, but if you buy it and put it in right away, you may not notice any changes.
Please be aware that this is the only change you can expect. However, the effect is definitely there, so if you feel that even a slight performance increase is a very large change due to the 250cc engine displacement volume, I think it is a good buy.
At 25,000 yen, it's not that expensive, so if you want to make your vehicle as fast as possible, I think it's the right choice.
External exhaust systems are usually too large and lose torque in the low to mid RPM range, but this product increases torque in the low to mid RPM range without losing power in the high RPM range.
If you want more power but less noise, this is a recommendation because it is quieter than the normal exhaust pipe.
This is not my story, but I have heard that exhaust leaks may occur depending on the silencer you use, so you may want to check this out carefully. View detail