Description Dellorto Carburettor Tuning Book for Motorcycles The original Dell’orto tuning guide for carburettors, which gives advice on the choice, setting and use of a Dellorto tapered needle carburettor. Colour carburettor cross sections showing the multiple stages of carburettor operation. Also includes float height and tapered needle selection tables. This manual is useful for learning how the tappered-needle Dellorto Motorcycle Carburettor works.

1. Spillo Conico Dellorto Phbh 28

Owners of the following Carburettors might find the information useful for understanding, trouble-shooting & tuning their Carburettors. DELLORTO: VHSB PHBG PHBL PHBH PHBE PHF PHM VHST.

And all tapered-needle Dellorto motorcycle carburettors. Please Note: The book does not offer specific tuning for a given carburettor & engine combination. You will have to retrieve the technical information and apply it in practise to your project.

It will inform you enough so that you can proceed to tune your carburettor according to your engine requirements. For 2-stroke & 4-stroke engine applications and multi-carburettor installations. A comprehensive guide to the setting-up and use of tapered-needle motorcycle carburettors. Shipping Worldwide OK.

Dellorto PHBH and PHBL Carburetor Parts Dellorto PHBH and PHBL Parts Dellorto PHBH and PHBL Carburetor Parts. On this page you will find all currently available parts for the Dellorto PHBH and PHBL range carburetors. Click for an exploded view drawing of the Dellorto PHBH and PHBL series. The numbers in the drawing correspond to the numbers in brackets at the beginning of the article description. Click for instructions on how to set the float level of the Dellorto PHBH and PHBL.

Click for an overview of the Dellorto D-Type needles. Click for an overview of the Dellorto W & X-Type needles.

We are still very much expanding our parts offerings for these carburettors so please contact us by email if the part that you are looking for is not yet listed. Factory-new Dellorto PHBH 28FD carburetor for the Honda NSR 125. This carburetor is the original equipment on Honda NSR Raiden 125cc, but can be re-jetted to suit any engine. It features a 42 mm plain air intake connection and 36 mm rubber sleeve type engine connection. Comes equipped with an oil feed connection. Cable type choke mechanism fitted but a lever type can be fitted if requested.

The standard jetting is as follows:. 40 Slide. X84 Needle. 268EB Atomiser. 135 Main jet.

40 Idle jet. BF3 Idle emulsion tube. 65 Power jet. 60 Choke jet.

300 Needle valve. 9010.1 Float - 9.5 grams. D-Type needle for the Dellorto PHBL carburetors. Where possible, we only supply original Dellorto needles marked with the famous diamond-shaped 'Inc' logo. However, sizes that are no longer supplied by Dellorto themselves are manufactured for us at the exact same high standards. These needles come in many different varieties of which you can find an overview.

In stock in variety:. D1. D31. D36.

D52 Please contact us by email if you require other varieties. Required quantity per carburettor: 1 This is item number 2 in the. Main jet for the Dellorto PHBH and PHBL carburetors. Where possible, we only supply original Dellorto jets marked with the famous diamond-shaped 'Inc' logo. However, sizes that are no longer supplied by Dellorto themselves are manufactured for us at the exact same high standards. In stock in sizes:.

50. 52. 54.

56. 58.

60. 95. 96. 97.

98. 99. 100. 105. 108. 110. 115.

116. 118. 120. 122. 124. 125. 126.

130. 132.

135. 140. 145. 150. 155. 160.

165. 170. 172. 175. 180. 182.

Spillo Conico Dellorto Phbh 28

185. 190. 195. 198. 200.

205. 210.

215 Please contact us by email if you require other size(s). Required quantity per carburettor: 1 This is item number 6 in the. Factory original idle jet for the Dellorto PHBH and PHBL carburetors. Where possible, we only supply original Dellorto jets marked with the famous diamond-shaped 'Inc' logo. However, sizes that are no longer supplied by Dellorto themselves are manufactured for us at the exact same high standards. Available from our stock in sizes:.

33. 35.

36. 38. 40. 45. 48.

50. 53. 55. 57. 58. 60.

62. 65. 67. 72. 80.

82. 84.

86. 88.

90. 91. 92. 95. 98. 100. 108.

110. 112. 115. 118. 120 Most other sizes are available on special order. Please contact us by email with your exact requirements.

Required quantity per carburettor: 1 This is item number 7 in the. Choke (or starter) jet for the Dellorto PHBH and PHBL carburetors.

Where possible, we only supply original Dellorto jets marked with the famous diamond-shaped 'Inc' logo. However, sizes that are no longer supplied by Dellorto themselves are manufactured for us at the exact same high standards. Available from stock in size:. 45. 50. 55. 60.

65. 70. 75. 80. 85.

90. 100 Please contact us by email if you require other size(s). Required quantity per carburettor: 1 This is item number 8 in the. This is the single dellorto needle valve needle for the PHBH and PHBL carburetors. Genuine Dellorto part, Viton-tipped! Only genuine Dellorto needles are marked with the diamond shaped 'Inc' logo! This needle is used in the seats with size 250 and 270 of our set which you can find.

It is Viton-tipped and spring-loaded. The body measures 4 mm square. The length of the body + Viton tip measures 14.95 mm. The overall length is 18.75 mm. Please note that this needle will NOT fit the seats of sizes 300, 350 and 400. Required quantity per carburettor: 1 This is item number 9 in the. Dellorto needle valve, seat and fiber washer for the PHBH and PHBL carburetors.

Genuine Dellorto part, Viton-tipped! Only genuine Dellorto needles are marked with the diamond shaped 'Inc' logo! Available in size:. 150. 170. 200.

225. 250.

270. 300. 350. 400 Please note that this the spring-loaded version.

For the solid version, please see. Required quantity per carburettor: 1 This is item number 9 in the. The single needle (so without seat) for sizes 250 and 275 is also available and can be found.