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Part Substitutions / 流用部品
#1
Part Substitution Data       (Most info from This Site!!)
流用部品の元データー

Wheel Size
ホイル・サイズ
Front wheel 18 x 1.85
Rear Wheel 18 x 2.15

Axle Sizes
Front Axle Shaft
フロントアクスルシャフト
Total Length (全長約) 23.5cm
Shaft Diameter (シャフト径)  15φ

Front Wheel Bearings
Wheel bearing number: Yamaha 93306-20205-00
Replacement:

Rear Wheel Bearings
Wheel bearing number: Yamaha 93306-20226-00
Replacement:

Tire Sizes
タイヤ・サイズ
Front Tire 90/90-18(51S)
Rear Tire 110/90-18(61S)


Brake Caliber
ブレーキ キャリパー

SRV Standard / 標準 ⇒ Mounting Pitch / 取付けピッチ:100mm
 
 DS400あたりのものがポン付けできそうな気がしますピストン径が大きくなればひょっとして・・・
 キャリパーサポートを使ってΦ300のローター使えば4Pキャリパーも入りそうな感じです(ぎりぎり当たるかも)

Brake Rotor
ブレーキローター

SRV Standard / 標準 ⇒ Outer Diameter / 外形:Φ282mm 
  Inner Diameter / 内径:Φ132mm
  PCD:150mm
  Offset / オフセット:0mm
  Screws / ビス:6本
 
Models Using the Same Size / そのままの大きさでは
  Renaissa / ルネッサ
  DS250
  XV250ビラーゴ (Virago)
  SR125
  XV125ビラーゴ (Virago)
  他にもありますが、ベンチレートディスクのため、厚みがあるので、キャリパーがつきません (There are others but since they use a bench plate disc, they are thicker and the caliber won't fit.)
 
  ワンサイズ拡大も取付けできます(Φ300mm)(You may be able to use one size larger. - a 300mm diameter rotor)
  この場合キャリパーサポートを使ってキャリパーの位置を移動させてやれば良いかな?(In this case you may have to use a caliber support plate to change the position of the caliber.)

  XV400ビラーゴ (Virago)
  XV533ビラーゴ (Virago)
  SR400 '01~06
  DS400/DSC400
  FZS100フェーザー '01~05 (Fazer)
  DSC1100 '00~08
  DS1100 '99~08
  BT1100 '02~06(フロント)(Front)
  V-max '93~07
  ロイヤルスター '96~00(フロント)(Royal Star Front Rotor)
  XV1600ロードスター (Road Star)

Brake Master Cylinder
ブレーキマスター

SRV Standard / 標準 ⇒ Piston Diameter / ピストン径:14mm
 
 径を大きくするか小さくするかは各自のお好み次第。(You can choose a different size piston.)
 ちなみにルネッサは 1/2インチ で小さいようですね。(The Renaissa is actually a 1/2 inch.)
 
List / リスト
 CB1300
 YZF-R1
 詳細はこちら (PDFファイルです)(Click the link to open a PDF showing the brake master cylinder piston size of a bunch of bikes - It's Japanese but should be understandable.)
 
Front Fork
フロントフォーク

 SRV Standard / 標準 ⇒ Diameter / 太さ:Φ38mm (The outer pipe seems to be Φ59mm at the top - where you'd put boots on it)
 同径のフォークを使っているものです。(These Models use the same diameter fork - Can exchanges be made?)
 
  Kawasaki / カワサキ
    GPZ750R
    GPZ900R A1~A6
    Z1000R
  Suzuki / スズキ
    GSX-R400 '86~87 GK71F
    RG500ガンマ (Gamma)
    RG400ガンマ (Gamma)
  Yamaha / ヤマハ
    FZX750
    SRX400 '90~ 3VN
    SRX600 '90~ 3SX
    DIVERSION600
    DIVERSION400
    FZR400 '86~'87
    FZR400R '87
    R1-Z
    Zeal
    FZR250R  3LN1~6 '89~94

Rear Suspension
リアサス
SRV Standard / 標準 ⇒ Length / 長さ:330mm
   Bushings / 取付け穴 ⇒ Top & Bottom / 上下共 : Φ14mm

Brake Hose 4DN-25872-00-00
ブレーキホース

  SRV Standard / 標準 ⇒ Length / 長さ800mm P-type fittings
ホース1:[20°バンジョー]+ストレートフィッティング-ストレートフィッティング+[20°バンジョー]/760[800]mm
ボルトピッチ:マスター側:1.25(シングル)、キャリパー側:1.25(シングル)


Clutch Cable 4DN-26335-00-00
クラッチワイヤー

  SRV Standard / 標準 ⇒ Length / 長さ Outer 114, Inner 135
#2
Here in Australia the SRV250 was only imported in 1995 (SRV250G) and again in 1997 (Renaissa). The numbers of these bikes that were imported was very low so used parts are almost impossible to find here.

I did find ways to identify which other Yamaha models used the same parts that were used on the SRV250 and that opened up much greater scope for sourcing used parts in Australia.

I first found a parts fiche here:-

http://www.portmacquariemotorcycles.com.au/parts

To use this site first click "Yamaha".

Then select a year (1995 for SRV250G or 1997 for Renaissa).

Then select the model (SRV250).

When you click on a section you are taken to a page that lists all of the parts in that section with an exploded view at the top. If you click on a particular part in the list you are taken to a page that also shows what other Yamaha models (sold in Australia) that particular parts was used on. For example, in the 1995 SRV250 front wheel section if you click on part number 4DN-25190-02 (Speedometer gear drive) you are taken to this page:-

http://c8software.com.au/shopv2/pmm/find/part/M.574125

Here you can see that this part was also used on XV250 from 1999 to 2014 in Australia.

Although the SRV250 was never sold in the US I also found a US site that is also useful for identifying other US models that parts are used on:-

http://www.2wheelpros.com/oem-parts/yamaha-parts.html

Enter part number in search box at top and click "Search".

Results will show which US models used that part.

For example if you search for 42X-83507-00 (cover, speedometer) you are taken to these results:-

http://www.2wheelpros.com/oem-parts/yama...-part.html


Here you can see that this part was used in many other models sold in the US. I was able to use this information to source a pair of NOS gauge covers on eBay in the US for example.

There is also another European site that is useful for identifying which other models (sold in Europe) used the same parts as the SRV250. To use this site you simply copy and paste the following text into the address bar in your browser:-

"www.bike-parts-yam.com/yamaha-microfiches-affectation-piece.html?text_recherche2=PartNumber"

Change the red text for the particular part number you are searching for. As an example if you were searching for 33M-22311-01 (chain guard) you would be taken to this page:-

http://www.bike-parts-yam.com/yamaha-mic...2311-01-00

Here you can see that this part was also used on XJ600 from 1986 to 1991.

When you search these sites it is surprising just how many other Yamaha models used the same parts as the SRV250.
#3
Has anyone on here completed a front end conversion on these bikes? 
I'm also from Aus where parts are hard to come by.
he front end of the bike was wrecked when I got it, looking convert it to the FZR250 front end
#4
(09-14-2018, 05:01 PM)zachjw23 Wrote: Has anyone on here completed a front end conversion on these bikes? 
I'm also from Aus where parts are hard to come by.
he front end of the bike was wrecked when I got it, looking convert it to the FZR250 front end

Yeah, Interesting question. I see the front forks are probably compatible (From above: FZR250R  3LN1~6 '89~94) and looking at the schematic, it sure looks the same.

Here are some comparisons:
The SRV250
       
And the FZR250
       

Just out of curiosity, I looked up the part numbers for the steering seal and they were the same for both. (No. 42 on the SRV250 Front End image and I believe No. 46 on the FZR.)
My Bikes: SRV250, Ninja 250R
  


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