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Messages - xpd153

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1
All Technical Issues / GPS/Smartphone mount
« on: May 04, 2020, 02:31:52 AM »
Recently I installed Chinese fork stem mount for GPS. It is cheap. But it works. You can buy this at aliexpress.com. pls search '
motorcycle fork stem mount' at www.aliexpress.com

But you need 1mm thick rubber sheet. Because CBR750 fork stem hole's diameter is 19mm. But diameter of that mounter is 17mm.

2
Photo of (you (and) or) your bike :) / Re: 1987 CBR refresh
« on: April 21, 2020, 03:06:30 AM »
Still I have a GPZ900R mirror. But no longer used.
If you want to know the reason, Pls read http://hurricane.isalive.nl/forum/index.php?topic=2361.msg39175#msg39175

Anyway, I measured the interval of mounting bolts. its about 58mm. Pls see photo #1.
So likelihood the ebay item will fit RC27.

3
Photo of (you (and) or) your bike :) / Re: 1987 CBR refresh
« on: April 21, 2020, 02:11:46 AM »
There are two types of GPZ900R mirrors. A7 or later and A6 or prior. Kawasaki model name started at A1 and increased by every year.
Probably ebay mirror is older type. The older type does not fit according to Japanese CBR750 website.

There are many after market mirrors. But many motorcycles bolts interval is 35 - 55mm and it does not fit.
According to my memory, SC21, RC24 and RC36 have smaller interval than RC27.

Under the mirror base cowl, there is a steel frame which has mounting bolt hole. So if you want to make another hole, you may need to use drill for making a hole. I don't like this method.

According to my memory, availability of new genuine RC27 mirrors is quite bad.
About couple of years ago, I heard Honda did not have the parts. One of reason for poor availability is, considerable number of  mirrors were purchased by passenger car owners in Japan.

By the way, this mirror thread should go to tech section. I think.



4
Photo of (you (and) or) your bike :) / Re: 1987 CBR refresh
« on: April 20, 2020, 13:01:03 PM »
The RC27 interval between mounting bolts is 62mm. max interval of above ebay mirros' is 2" 1/2.
So it may fit.

 I think SC21 mirror does not fit due to  the different interval of mounting bolts.

If you don't mind style, Kawasaki GPZ900R(A7 or later)'s mirror will fit. Because my RC27 had it. Please see photo #2.


5
All Technical Issues / Re: Front brake cleaning again
« on: April 06, 2020, 03:43:12 AM »
Yah, I extract all pistons completely. And cleaned seal ditches and pistons.
Then fully coated red rubber grease to pistons. At BMW case, Brembo repair kit had silicon grease.
Still I do not do test run after that operation.

Here Japan. Thing are gradually deteriorating. Everyday, number of infectants are growing.
But still no radical countermeasures, like entire city shutdown.




6
All Technical Issues / Front brake cleaning again
« on: April 04, 2020, 13:38:40 PM »
Last time, I cleaned front and rear brake caliper cleaning in Nov 2016. And then I felt dragging in Mar 2020.
About one week ago, I cleaned them again. A couple of days ago, I ran CBR750 again but there was some dragging.
At last cleaning, I forgot using red rubber grease.
Today, I dismantled front left caliper and coated red rubber crease on the piston.
Tomorrow, I will assemble front left caliper and expect everyting fine.

At this point, there is no curfew in Japan. Weather is wonderful. Due to insufficient SARS-COV-2 testing, everybody have doubt about Japanese government's status report of COVID-19(only 2xxx people infected).

 

7
Important news / Re: Website hacked
« on: February 16, 2020, 01:29:25 AM »
Now, I knew much your efforts were needed to restore the site. Thank you!!

8
Important news / Re: Website hacked
« on: February 15, 2020, 01:51:23 AM »
Well, I appreciate your efforts for keeping this site.

During the service outage, I saw completely blank page at the portal of the forum.  I don't know whether the attack caused this symptom or not..
 But I felt uneasy feeling about entire white page, not 404 error(page does not exist). It did not explain anything. And as you know, this site became rare , like CBR750. I fear someday site admin would give up the site because of few traffic.

 I think smf has service outage display setting which enable you to display reasonable description for service outage. I wish you would use this function under next similar situation. It may give some assurance to the site viewers.
 
Thank you!

9
Important news / Re: Website hacked
« on: February 14, 2020, 05:29:26 AM »
About decade ago, I was a site admin of simple machine forum for cellphone development team.

 At that time, version was 2.0.6 or something. According to simplemachines.org, latest version is 2.0.17 which is used at this site. But I can not find 10 years advancement in smf at least UI.

 Did the attack happen at lower level?

Anyway, it looks like no problem for just viewing forum.



10
All Technical Issues / Re: Spark plug type
« on: December 28, 2019, 01:39:57 AM »
In these days. there are many counterfeits.

https://www.youtube.com/watch?v=Lr9J3eQk-kE
https://www.youtube.com/watch?v=TYxtCC330Xg

ebay is notorious.
amazon also has many counterfeits.

11
Important news / Re: Website crashed due to servercrash at the host
« on: December 13, 2019, 01:24:44 AM »
If you logged in, there is your avatar at upper right corner. Click your avatar, it will display the menu. One of the menu item is Recently unread topics. That is most important UI item for me.


12
Important news / Re: Website crashed due to servercrash at the host
« on: December 11, 2019, 03:43:24 AM »
At this point, it looks like very normal.  Now, many of images in photo of you and your bike section are visible.

Anyway, nice work > Crusher smile1004yes



13
Important news / Re: Website crashed due to servercrash at the host
« on: December 10, 2019, 00:19:53 AM »
It looks like all custom images are gone.
At this point, I can see only your avatar.
What happened? Server migration?



14
Your SC21 is 30-32 years old and run over 300,000km. Still using factory set piston seal is far beyond expectation.
How about your brake master cylinder piston seal?

Aprilia Rotax V990 engine has hydraulic clutch. And as I said, many people have problems with their clutch.
Newer Aprilia V4 engine went back to wire clutch. Probably Aprilia also recognized hydraulic clutch problems.

At Honda, basically all over 800cc engines have hydraulic clutch. But I did not hear such problems.

15
Bikers Cafe / Re: Why robvangulik and xpd153 don't buy new motorcycles?
« on: November 14, 2019, 00:36:33 AM »
I have a replacement plan for only master. Futura and RSV1000 have 12mm at master and 28mm at slave.
Nissin has 1/2 inch,14mm and 5/8 inch for master. I will hunt 1/2inch used one.

Brembo slave cylinder has different mounting bolt positions. Therefore,replacing it with Nissin is difficult.

Usual Brembo slave cylinder is like this.

https://www.makewoodgood.com/wp-content/uploads/2019/08/refit-cylinder-to-bike.jpg

And I think replacing fluid in Brembo slave cylinder by ordinary bleeding method is difficult.
Because bleeder valve and fluid intake are sitting on same bleeder plug. And the cylinder is dead end.

I checked shape of SC21 slave cylinder.  Bleeder valve and fluid intake have each own position.
https://www.picclickimg.com/d/l400/pict/173374873380_/Honda-CBR1000F-CBR1000-SC21-Clutch-Slave-Cylinder.jpg

Even today, Brembo slave cylinder shape is not changed. But I like Nissin shape.

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