Reviews
I feel like I'm blowing up better.
I tried it because I was having trouble with high rpm growth, maybe it's the Brushabo effect, but I think it lightened my high rpm. I recommend it unusually. View detail
Fits: YAMAHA MAJESTYS, YAMAHA SMAX, YAMAHA FORCE155
Parenthesis better than NORMAL !!
If I thought that Cover is expensive because I do not want NORMAL's appearance
This one was released from KOSO and it immediately bought it
There is a gap in the suction mouth of the air, there is a gap in the mouth made abroad, Bolt of the stopping Bearing is Stainless but Nut is Steel (-_-;)
It is OK at all if it is divisible because it is manufactured abroad around here. It is a plastic made by Aluminum, there is neither Duct nor OEMFilter and it is lighter weight reduction.
Removal of Duct was Large strange
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Fits: YAMAHA Cygnus X, YAMAHA Cygnus X, YAMAHA Cygnus X, YAMAHA CYGNUS X, YAMAHA CYGNUS X, YAMAHA BWS125(BWS), YAMAHA BWS125(BWS), YAMAHA BWS125(BWS), YAMAHA BWS125(BWS), YAMAHA CYGNUS X, YAMAHA CYGNUS X, YAMAHA CYGNUS X, YAMAHA CYGNUS X
Processed and mounted in TIGRA 125
Since TIGRA's Engine Parts are not quite so, we have dealt with additional work again.
Originally the compression ratio 11 : TIGRA with a high compression ratio of 1, but when you enter High Camshaft the punch is gone. Probably because Valve is open for a long period of time, the effective compression ratio may have dropped.
So High Camshaft got Normal piston because it was called High compression piston and compared it with High compression piston of Standard Bore size for CYGNUS made by KOSO.
◆ KOSO's Piston's own evaluation
I thought it was very good and very good compared with PGOOEM Product.
Oist pool of Piston Pin boss hole, OIL hole to Piston skirt etc.. , PGON normal processing was not done in piston. Material is like high-strength Duralumin which can be machined crisply. I figured out later, Piston PinOffset reversed TIGRA.
● Check the bore diameter system
Normally for Piston for Water-cooled Engine, Piston becomes higher temperature than Water-cooled Engine, so it is considered to be more clearance considering thermal expansion. However, it seems that there is not much difference between Large. Furthermore, because the diameter of Piston Top Land becomes Small, it is concerned that it will become a big eyelid.
● Check height direction
When comparing with Piston Pin as starting point, KOSO Forged Piston is about 1 mm on the Piston Pin, so processing is necessary. TopLand is shaved 1 mm by Risk Base Gasket 1 mm Addition
Since there is a problem of Timing Chain, I set Piston 0. Shave 5 mm and base Gasket 0. It was decided to make it 5 mm thick.
● Valve Recess position confirmation
INT is nearly together EXT because TIGRA is closer to the center, so additional work is required
However, if PistonTop is set to 0. Because it cuts 5 mm, processing on the INT side is also necessary
● Compression ratio examination
The compression ratio is 12 : I assumed about 1, but there was concern that it will become somewhat expensive even after applying the above processing. I decided to process a round indentation in the middle of Piston where the plug is located, referring to the Piston shape information that avoids Knocking that matches the Technical Report of MazdaDemiio's high compression engine.
Other than that there was no problem such as Piston Pin diameter.
Since the direction of processing was decided, a jig for additional processing was prepared and processed with a lathe and a milling machine.
After processing, clay was affixed to Piston, temporarily assembled, confirmed the interference condition of Valve and made a book.
The compression pressure is 13. 5kg / Cm 2
As we scooped out the Engine, we port polished ports and Intake manifold with Flap wheel to polish the surface with Tripoli and Felt buff.
After the break-in run and trial run, I returned to a healthy feeling before High Camshaft was launched.
I think that it is equivalent to Fine tuning rather than improvement of horsepower.
When looking at the air-fuel ratio meter somehow the air-fuel ratio is 0. It feels like it got about 5 thinner.
Piston slap sound is slightly bothersome but not too bad.
It is suppressed around 9000 rpm in Weight roller setting, but it may be good to rotate a little bit. I'm thinking of putting Reinforced Valve Spring for KOSO's CYGNUS.
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Fits: YAMAHA Cygnus X, YAMAHA Cygnus X, YAMAHA Cygnus X, YAMAHA CYGNUS X, YAMAHA CYGNUS X, YAMAHA CYGNUS X, YAMAHA CYGNUS X, YAMAHA CYGNUS X, YAMAHA CYGNUS X
Satisfaction is high at reasonable price
Although I am not a Normal head, I could not install it unless I had to scrape or polish it. Even Normal head I think that it is necessary for adjustment of the part to be hit and scratched depending on things so I think that it is a product for advanced users. Adjustment is possible if you can use Leutor, so it would be better to prepare it for attaching.
It is supported to set Tappet clearance to be less than NORMAL. Be careful as rattling sound becomes loud unless you set it to severe.
The characteristic of Cam comfortably turns around 8 thousand, Although I can not feel real light feeling in particular, I can beautifully turn up to 10 thousand.
Since the amount of Lift of Cam is Large, startup becomes more severe, so I think that strengthening around Cell is necessary depending on use
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![KOSO Kick Pedal [Cub Monkey Series]](https://img.webike-cdn.net/catalogue/14762/09072002_5049d44b3fab4_TS.jpg)
Fits: HONDA monkey, HONDA gorilla (Gorilla spp., esp. western gorilla, Gorilla gorilla), HONDA cub, HONDA monkey, HONDA gorilla (Gorilla spp., esp. western gorilla, Gorilla gorilla), HONDA cub
It purchased to SUPER CUB 50s. Considering a pure poor Kick pedal, I think that they are cheap and very good goods. -- I want you to treat the goods of KOSO more -- peevish [ come out and ] -- ~
It purchased to SUPER CUB 50s.
Considering a pure poor Kick pedal, I think that they are cheap and very good goods.
-- I want you to treat the goods of KOSO more -- peevish [ come out and ] -- ~
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Fits: YAMAHA Jog 100, YAMAHA jog, YAMAHA jog, YAMAHA YV50 Z II, YAMAHA JOG Zr, YAMAHA JOG, YAMAHA Remote controller jog, YAMAHA SUPER JOG ZR, YAMAHA SUPER JOGZ, YAMAHA APRIO, YAMAHA APRIO, YAMAHA JOG90, YAMAHA APRIO
It was used for the aprio type 2. Since bore up was carried out and the engine did not start in the cell of normal, it was a kick start. When kicked each time, it searched with whether there is nothing that he gets tired and is easy to kick, and m
It was used for the aprio type 2.
Since bore up was carried out and the engine did not start in the cell of normal, it was a kick start.
When kicked each time, it searched with whether there is nothing that he gets tired and is easy to kick, and made it Colet.
Since it is a field where the portion which puts a guide peg is large at that of rotation striped sushi, it is easy to kick.
The front was using Long's thing from normal with the aluminum of the same KN.
Since there was also much number of times of it having been good since the portion which Colet also kicks was large, but kicking and it was anxious about the serration portion with aluminum, it is the reason exchanged for this.
Although it is recommended and becomes empty, since it is easy to kick both.
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