【SIP PERFORMANCE】 メインジェット SIP PERFORMANCE 65，1271.65

(main jet)
Grade 1 - perfect repair
OEM number(s)：
1271.65 (DELLORTO)

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The main jet found in all carburettors controls the amount of fuel present in the fuel/air mix，prior to combustion.
Adjustment and tuning upgrades require modern，precisely manufactured replacement jets for an accurate and effective result.
The inaccurately produced reproduction jets that are currently on the market do not represent a viable alternative for what are essential carburettor components.
To alleviate this situation we have decided to have our own range of SIP labelled main jets produced by KOSO with the usual precision and fine tolerances we have come to expect from this high-tech manufacturer，for perfect jetting results！
If you have ever been re-jetting a carburettor and discovered to your horror that the actual size of the jets used does not correspond with the values on their flanks you will know how time-consuming and frustrating this can be！
If ‘75’ is stamped on the jet，then it had better be a ‘75’ sized jet！ Otherwise this ‘suck it and see’ process can quickly become a complete waste of your time！
The grades on these jets increase in steps of 2，3 or 5 intervals.
Simply enter the size of the specific jet you require while ordering with their overall article No.
(＃40290).
Conclusion：The finest production quality，reliable and accurate precision，perfect value-for-money and guaranteed availability.

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適合車種： 125、98 ( 適合車種を見る )