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Z400FX Z550FX CR26φ 1.85S 26φ専用設計 2.795 2.812 4本セット Z500FX Z400GP GPZ400 /
 
        

CR26φ 専用設計 1.85S

上Z系専用1.70(86mm)下1.85S(81mm)

現物は2.795~6mmくらいです。

2.812±2/1000mm

  • Product Quantity
    : 1
  • Starting Bid
    :5,980円
  • Highest Bidder
    : / Rating:
  • Listing Date
    :2026年01月18日 22時05分
  • Bidding closes on
    :2026年01月25日 20時04分
  • Auction Number
    :u1216427091
  • Condition
    :New product
  • Automatic Extension
    :No
  • Authentication
    :No
  • Early Closing
    :Yes
  • Can I return the product?
    :no
  • Description
  • Q&A ()
  • Cost Estimator
  • Problem Item Response Procedur
        カワサキ空冷4気筒ミドルクラスのエンジン専用(400cc~550cc)NC旋盤で精密加工した
CR26φ専用のジェットニードル(以後JNで表示します)です。
(低速走行、低速からの加速、全開特性)などを考慮した独自の設定になっています。
街乗り走行を前提に出力を追求しながら、26φ専用の全長で製作しています。

YYのJNがクリップ段数1番上からの有効距離86mmYが83mmに対して26φ専用は81mmになっています。

ケイヒンのJNはあくまで33φまでの使用を前提にしている為、
26φにはストレート長が長すぎる傾向にあります。

どちらかと言えば24φくらいのBIGキャブ寄りの口径なのでJNの全長を短くしないと
微開、加速、全開の位置が設定できません。

ストレート径 2.795mm(YY9相当)→2.755mm(YY5相当)→2.500mm → 1.85φ(先端の径)
ストレート径 2.812mm(YY0相当)→2.770mm(YY6相当)→2.650mm→1.85φ(先端の径)

溝7段でクリップ段数の間のセッティングが出来る様にワッシャーが付属しています。

ストレート径を2種類用意しました。
2.795
2.812

【注意】落札後、取引ナビから、ご希望の寸法をご連絡ください。
400ccは2.812mmをお奨めします。
落札後、48時間以内に回答が無い場合は2.812を送ります。

 発送方法はJNのみの場合、普通郵便にて元払いで発送します。
(発送方法の都合上、配達による事故、トラブルの保障はできません。)
到着まで週末を挟むと5日~7日かかります。
離島も同じく日数かかります。
 

       価格は4気筒購入を前提に4本の金額になっています。

  
CR26φ1,85Sのブログ記事(セッティングに立ち会ってきました。)
下記のブログで動画ご覧になれます。

CR26φケイヒンのJNで1か月間セッティングした情報

上記のブログに記載していますが、
26φにYYのJNでMJを交換しても
流量の変化が少なくて全開走行すると、
濃い番手に変更してもプラグが真っ白で焼き付きそうになるそうです。
恐らくJNの全長と口径の相性が悪いからです。
参考までに一度、御覧ください。

29φ~33φには絶対に使用しないでください。(全開にすると先端が抜けてベンチュリに底付きする恐れがあります。)
26φに使用の際も1番下の溝は使わないでください。ご使用前に全開にして先端が十分隠れているか確認して下さい。) 

上記に記載している寸法をよく確認してください。
初めてCR26φ用に製作したJNです。まだ寸法や設定に煮詰めの余地があると思います。

CR26φでYY8等のJNでセッティング経験が豊富な方が判断して入札してください。
セッティングに関してノークレームでお願いします。
エンジンの破損、焼き付き等いかなる内容も弁償はしません。

当方では車両もキャブも無いのでテストしていません。
情報が収集出来たら随時更新します。


バイパス加工のCRは#38くらいになりますが、未加工のCRなので若干、被る症状は残ると思います。

その他、ご不明な点があればご質問ください。

ポン付けや、適格なSJ、MJの番手の質問にはお答えしません。






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    Product name: Z400FX Z550FX CR26φ 1.85S 26φ専用設計 2.795 2.812 4本セット Z500FX Z400GP GPZ400 /
    Notes:
    Customer service hours:
    • Monday to Friday 10:00-18:00
    Customer service hotline:
    Customer Service Email: service@letao-holdings.com