JD Jetting Accelerator Pump Diaphragm
JD Jetting Accelerator Pump Diaphragm, All diaphragms are sold separately and are NOT included in kits.
Short Stem:
This shorter stroke diaphragm has a longer center stem for less fuel delivery.
Similar to the diaphragm used on some stock Honda models.
Long Stem:
This longer stroke diaphragm has a shorter center stem for more fuel delivery.
Similar to the diaphragm used on stock KTM models.