Search found 12 matches

by Valeriy7
Fri Jun 09, 2023 3:12 am
Forum: PCX Technical Help
Topic: Losing power at 55 down to 40. Coolant full yet overheating
Replies: 27
Views: 5037

Re: Losing power at 55 down to 40. Coolant full yet overheating

Please tell me, if you close pipe 8 of the small cooling circle, will the coolant be colder, especially in the heat? In order not to open the constant cooling of the engine in a large circle. Thank you!
by Valeriy7
Thu May 11, 2023 1:54 am
Forum: PCX Performance
Topic: Avoiding a hot running engine...
Replies: 6
Views: 5435

Re: Avoiding a hot running engine...

I would like to write a few words down here about water cooling issues and what to do about it because I think it will be a great help for a lot of people... I would like to recommend everybody who have a big bore kit installed on the PCX to use a NGK CR9E spark plug to have a better, cooler runnin...
by Valeriy7
Sun Mar 12, 2023 5:23 am
Forum: PCX Performance
Topic: Pcx Yuminashi Chainsaw 164!
Replies: 262
Views: 7937659

Re: Pcx Yuminashi Chainsaw 164!

Installed Yuminashi full set of 164cc. I put a long gear 15/45. Started driving. In a few days I drove 180 km. Then the scooter started overheating. The red light came on. I pumped the water system many times, the result is deplorable. The steam is collected, the pressure in the radiator, the liqui...
by Valeriy7
Sun Apr 10, 2022 7:33 am
Forum: PCX Performance
Topic: Pcx Yuminashi Chainsaw 164!
Replies: 262
Views: 7937659

Re: Pcx Yuminashi Chainsaw 164!

power-full wrote: Sun Apr 10, 2022 6:43 am good..I'm so sorry about all this about the war... soon you can ride a motorcycle again.... I'm so far away and so scared,,..I don't know how you guys are so strong and put up with it....., ,..a lot of strength... :( :( :( :( :( :( :( :(
Thanks a lot!
by Valeriy7
Sun Apr 10, 2022 12:30 am
Forum: PCX Performance
Topic: Pcx Yuminashi Chainsaw 164!
Replies: 262
Views: 7937659

Re: Pcx Yuminashi Chainsaw 164!

Radiator cap 1.6 bar. Injector 170 cc see Throttle Body 31mm. Collector, air filter and its pipe included. Camshaft and rocker arms with double springs. FI CON2 Takekawa (previously Takekawa 170cc kit, now Yuminashi 164cc). Candle NGK9. Yuminashi CVT and long gear 15/45. I decided to tighten the cy...
by Valeriy7
Sat Apr 09, 2022 1:54 pm
Forum: PCX Performance
Topic: Pcx Yuminashi Chainsaw 164!
Replies: 262
Views: 7937659

Re: Pcx Yuminashi Chainsaw 164!

by the symptoms the joint must be gone !! I almost bet you are using the original 1.1 bar radiator cap!!! if this is one of the problems, another cause could be injection.. lack of gasoline causes overheating / engine clogging Radiator cap 1.6 bar. Injector 170 cc see Throttle Body 31mm. Collector,...
by Valeriy7
Sun Feb 13, 2022 9:46 am
Forum: PCX Technical Help
Topic: pcx power-full
Replies: 163
Views: 208098

Re: pcx power-full

power-full wrote: Sun Feb 13, 2022 4:49 am you shouldn't do it with the lid open that works fine on big circuits not here on this one so small..
Thanks! I'll be taking the engine apart soon. We still have frost and snow, waiting for the heat.
by Valeriy7
Sat Feb 12, 2022 3:32 am
Forum: PCX Technical Help
Topic: pcx power-full
Replies: 163
Views: 208098

Re: pcx power-full

the gasket must always be new. because the joint comes with a height to be crushed when it is tightened that's what makes the seal. when assembling the new gasket you must start the motorcycle for 5 to 10 minutes stopped in place to warm up the engine and open the thermostat, to picture the circuit...
by Valeriy7
Fri Feb 11, 2022 3:01 pm
Forum: PCX Technical Help
Topic: pcx power-full
Replies: 163
Views: 208098

Re: pcx power-full

Good morning . try to explain to me what you need to know .. or tell me your problem and see if i can help . Good morning! I had an engine overheat after 180 km. Before that, I installed the Yuminashi 164cc package. The head was tightened with a force of 28 Nm. It turned out that one stud was torn ...
by Valeriy7
Fri Feb 11, 2022 12:27 am
Forum: PCX Technical Help
Topic: pcx power-full
Replies: 163
Views: 208098

Re: pcx power-full

good guys. after more than 35 thousand km and 2 years of use with 164cc kit from yuminashi mounted on my pcx of 2010 jf28, this weekend was the time to withdraw circulation. for 2 times I had problems with the head gasket, in the past I had problems with the oil consumption that was increasing. aft...
by Valeriy7
Thu Jan 20, 2022 8:34 am
Forum: PCX Performance
Topic: Pcx Yuminashi Chainsaw 164!
Replies: 262
Views: 7937659

Re: Pcx Yuminashi Chainsaw 164!

Installed Yuminashi full set of 164cc. I put a long gear 15/45. Started driving. In a few days I drove 180 km. Then the scooter started overheating. The red light came on. I pumped the water system many times, the result is deplorable. The steam is collected, the pressure in the radiator, the liqui...
by Valeriy7
Wed Jan 19, 2022 8:06 am
Forum: PCX Performance
Topic: Pcx Yuminashi Chainsaw 164!
Replies: 262
Views: 7937659

Re: Pcx Yuminashi Chainsaw 164!

Installed Yuminashi full set of 164cc. I put a long gear 15/45. Started driving. In a few days I drove 180 km. Then the scooter started overheating. The red light came on. I pumped the water system many times, the result is deplorable. The steam is collected, the pressure in the radiator, the liquid...