Injector size - Page 2 - Honda CBR250R Forum : Honda CBR 250 Forums
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post #11 of 15 Old 02-12-2019, 03:33 PM Thread Starter
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Hey, I am 67 and still going. Yea I have a Bazazz with a auto mapper. So I don't have to take it to a Dyno guy. The injector is a 400cc and it is installed in the stock throttle body. I am installing a slipper clutch and a Factory Pro Shift Kit while it is apart. The 305 kit and cams are installed and waiting for a clutch holding too to install slipper clutch. I am running Sava race tires. I also have titanium motor mount bolts, caliper bolts, sprocket and disc bolts along with ceramic bearings back and front. Nobody makes a 415 sprocket kit so I decided to try these other things, trying to get the revolving weight down as much as the 415 kit would. Really close to same price. I was hoping to have it ready for a track day this weekend but all the stuff isn't here. Ari got his 250 to under 300 lbs I was told. Can't find the info on that, but feel mine will be around 300. Every 7 pounds is a horsepower. I didn't do the porting I wanted to, next time. Woodcraft is making me a a keyless ignition harness, I have removed stuff on the frame which was a pound or so. I want it done.



I also have a tick SV650 I race, won a championship with it a few years ago, it right at 318lbs 85 hp. I got a Kevlar tank and PM aluminum wheels that really help. On the CBR air box, I also am going to add some those UNI small round filters too. I race at 4200-5000 feet and need more air.



I will let you know the weight as soon as I get it all together. Oh yea, I run 110 race gas. Got to to beat all the other 300's. I am 155-160 lbs and am trying to get that down too.
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post #12 of 15 Old 02-19-2019, 02:02 AM
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Originally Posted by bat View Post
Hey, I am 67 and still going. Yea I have a Bazazz with a auto mapper. So I don't have to take it to a Dyno guy. The injector is a 400cc and it is installed in the stock throttle body. I am installing a slipper clutch and a Factory Pro Shift Kit while it is apart. The 305 kit and cams are installed and waiting for a clutch holding too to install slipper clutch. I am running Sava race tires. I also have titanium motor mount bolts, caliper bolts, sprocket and disc bolts along with ceramic bearings back and front. Nobody makes a 415 sprocket kit so I decided to try these other things, trying to get the revolving weight down as much as the 415 kit would. Really close to same price. I was hoping to have it ready for a track day this weekend but all the stuff isn't here. Ari got his 250 to under 300 lbs I was told. Can't find the info on that, but feel mine will be around 300. Every 7 pounds is a horsepower. I didn't do the porting I wanted to, next time. Woodcraft is making me a a keyless ignition harness, I have removed stuff on the frame which was a pound or so. I want it done.



I also have a tick SV650 I race, won a championship with it a few years ago, it right at 318lbs 85 hp. I got a Kevlar tank and PM aluminum wheels that really help. On the CBR air box, I also am going to add some those UNI small round filters too. I race at 4200-5000 feet and need more air.



I will let you know the weight as soon as I get it all together. Oh yea, I run 110 race gas. Got to to beat all the other 300's. I am 155-160 lbs and am trying to get that down too.
Bat,
That sounds interesting the route you are going down. Takewaga say with the cams, controller and larger piston power is upped from 24 to 35, what are you getting with your filter mods and and auto mapping??.

Injector 400cc can I ask what model of bike that came from, engine size and year. Better if you have a part number. Living here in the sticks, rural Thailand I have to go to the main dealers about 160 miles away to get any technical help. All the honda dealers around me sell scooters and bikes at 115cc.

Any help would be great. Good to see age is not slowing you down.
Ride fast, ride safe
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post #13 of 15 Old 02-19-2019, 09:14 AM Thread Starter
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Bat,
That sounds interesting the route you are going down. Takewaga say with the cams, controller and larger piston power is upped from 24 to 35, what are you getting with your filter mods and and auto mapping??.

Injector 400cc can I ask what model of bike that came from, engine size and year. Better if you have a part number. Living here in the sticks, rural Thailand I have to go to the main dealers about 160 miles away to get any technical help. All the honda dealers around me sell scooters and bikes at 115cc.

Any help would be great. Good to see age is not slowing you down.
Ride fast, ride safe

Steady Garage has the injector that is plug and play. It fits right into the 250 throttle body. They have it listed with the big bore kit.
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post #14 of 15 Old 02-20-2019, 03:14 AM
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Steady Garage has the injector that is plug and play. It fits right into the 250 throttle body. They have it listed with the big bore kit.
Hello Bat,
Cheers for the quick reply, unfortunately there are no link to Steady Garage, whom I would assume is in the US of A? Do you know if it may not be a Honda injector??

Cheers again
Tom
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post #15 of 15 Old 02-20-2019, 08:12 AM Thread Starter
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Hello Bat,
Cheers for the quick reply, unfortunately there are no link to Steady Garage, whom I would assume is in the US of A? Do you know if it may not be a Honda injector??

Cheers again
Tom
https://steadygarage.com/store/two-wheels/mc-parts/honda-grom-msx-125
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